Isma1 | Quiz

Frage 1 von 200

1

Which of the following statements correctly describes a delimited raw data file? Select all that apply.

Wähle eine oder mehr der folgenden:

It is external to SAS.
It is not software-specific.
The values are arranged in columns.
The values are separated by spaces or other characters.
The values are labeled with field names.

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Frage 2 von 200

1

Suppose you want to write a DATA step that reads a raw data file. Do you need to use a LIBNAME statement to assign a libref to the directory in which the raw data file is stored?

Wähle eine der folgenden:

yes
no

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Frage 3 von 200

1

Which of the following statements is true?

Wähle eine der folgenden:

a. SAS creates an input buffer only if reading data from a raw data file.
At compile time, the PDV holds the variable name, type, length, and initial value.
The descriptor portion of the data set is the first item that SAS creates during the compilation phase

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Frage 4 von 200

1

Which statement is true of a DATA step when reading from a raw data file?

Wähle eine der folgenden:

a. SAS reads data from the raw data file into the PDV.
The size of the input buffer adjusts automatically based on the length of the input record.
At the bottom of the DATA step, SAS writes the contents of the PDV to the output SAS data set.

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Frage 5 von 200

1

Which of the LENGTH statements below creates the character variable SalesRep with a length of 18?

Wähle eine der folgenden:

length $ SalesRep 18;
length SalesRep 18;
length SalesRep $ 18;
length SalesRep=18;

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Frage 6 von 200

1

Which of the DATA steps below creates the variable SalesRep with a length of 18?

Wähle eine der folgenden:

data work.mydata;
infile 'filepath/sales.csv';
length SalesRep $ 18;
input Amount SalesRep $ Customer $;
run;
data work.mydata;
infile 'filepath/sales.csv'
input Amount SalesRep $ Customer $;
length SalesRep $ 18;
run;

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Frage 7 von 200

1

Which of these statements is not true about a SAS informat?

Wähle eine der folgenden:

A SAS informat provides instructions for reading nonstandard values.
A SAS informat provides a length for character variables.
A SAS informat must include a period.
A SAS informat controls the way nonstandard data values are stored in a SAS data set.
A SAS informat must include a numeric value to specify the width of the input field.

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Frage 8 von 200

1

Which of the following DATA steps correctly reads instream data as input for the data set?

Wähle eine der folgenden:

data work.mydata;
input Amount SalesRep $ Customer $;
datalines;
250.35 Phelps Torres
178.50 Deng Horekova
;
data work.mydata;
datalines;
250.35 Phelps Torres
178.50 Deng Horekova
input Amount SalesRep $ Customer $;
;

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Frage 9 von 200

1

What does SAS do when it encounters a data error in a raw data record? Select all that apply.

Wähle eine oder mehr der folgenden:

prints a ruler and the raw data record in the SAS log
stops processing the program
assigns a missing value to the variable that the invalid data affects
prints a note about the error in the SAS log
rints the variable values in the corresponding SAS observation in the SAS log

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Frage 10 von 200

1

By default, SAS creates character variables with a length of _____ bytes for list input.

Wähle eine der folgenden:

a. 6
b. 8
c.10
d.12

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Frage 11 von 200

1

Which of the following values can SAS store, without truncation, in a character variable that has a length of 8 bytes?

Wähle eine der folgenden:

Sales Manager
Regional Manager
12036578
$123,293.50
06/15/2008

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Frage 12 von 200

1

To explicitly define the length of a variable read from a raw data file, you use a LENGTH statement after the INPUT statement in a DATA step.

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 13 von 200

1

Which of the following statements specifies instream data, or the lines of data that you enter directly in a DATA step?

Wähle eine der folgenden:

DATALINES
INFILE
INPUT
INSTREAM

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Frage 14 von 200

1

Which of the following statements cannot be used in a DATA step that reads a raw data file as input?

Wähle eine der folgenden:

a. KEEP
b. IF
c. FORMAT
d. WHERE

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Frage 15 von 200

1

Which of the following can determine the length of a new variable?

Wähle eine der folgenden:

the length of the variable's first value
the assignment statement
the LENGTH statement
all of the above

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Frage 16 von 200

1

Which of the following SAS functions returns a number from 1 to 12?

Wähle eine der folgenden:

YEAR(SAS-date)
MONTH(SAS-date)
WEEKDAY(SAS-date)
TODAY(SAS-date)

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Frage 17 von 200

1

An ELSE statement must immediately follow the IF-THEN statement in your program, and it executes only if the previous IF-THEN statement is true.

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 18 von 200

1

Which DATA step ensures that all observations are assigned a nonmissing value for Bonus?

Wähle eine der folgenden:

data work.bonus;
set orion.sales;
if Country='US' then Bonus=500;
else if Country='AU' then Bonus=300;
run;
data work.bonus;
set orion.sales;
if Country='US' then Bonus=500;
else Bonus=300;
run;

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Frage 19 von 200

1

Which of the following statements assigns the value pass to the variable Grade when the variable Points is greater than or equal to 70?

Wähle eine der folgenden:

if Points=70 then Grade='pass';
if Grade>=70 then Points='pass';
if Points>=70 then Grade=pass;
if Points>=70 then Grade='pass';

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Frage 20 von 200

1

Use a DO group in a DATA step when you want to execute multiple statements for a true IF-THEN expression.

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 21 von 200

1

Which SET statement has correct syntax?

Wähle eine der folgenden:

set empscn(rename(Country=Location))
empsjp(rename(Region=Location));
set empscn(rename=(Country=Location))
empsjp(rename=(Region=Location));
set empscn rename=(Country=Location)
empsjp rename=(Region=Location);

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Frage 22 von 200

1

Which of the following statements is true about merging SAS data sets by using the DATA step?

Wähle eine der folgenden:

Merging combines observations from two or more data sets into a single observation in a new data set.
SAS can merge data sets based on the position of observations in the original data set or by the values of one or more common variables.
Match-merging is merging by values of one or more common variables.
To match-merge data sets, all input data sets must be sorted or indexed on the BY variables.
All of the above

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Frage 23 von 200

1

Which of the following programs concatenates the data sets, sales and products, in that order?

Wähle eine der folgenden:

data newsales;
set products sales;
run;
data newsales;
set sales products;
run;
data newsales;
set sales;
set products;
run;

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Frage 24 von 200

1

If you run this DATA step, what observations does the data set bonuses contain?

data bonuses;
merge managers staff;
by EmpID;
run;

Wähle eine der folgenden:

all of the observations from managers, and only those observations from staff with matching values for EmpID
all of the observations from staff, and only those observations from managers with matching values for EmpID
all observations from staff and all observations from managers, whether or not they have matching values
only those observations from staff and manager with matching values for EmpID

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Frage 25 von 200

1

What is the syntax error in this DATA step?
data returns_qtr1;
set returns_jan(rename=(ID=CustID)
(Return=Item))
returns_feb(rename=(Dt=Date))
returns_mar;
run;

Wähle eine der folgenden:

You cannot specify more than two data sets in the SET statement.
There are too many sets of parentheses in the RENAME= option.
You cannot specify multiple variables in the RENAME= option.
The BY statement is missing.

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Frage 26 von 200

1

If you run this DATA step, what observations does the data set bonuses contain?
data bonuses;
merge managers (in=M)
staff (in=S);
by EmpID;
if M=0 and S=1;
run;

Wähle eine der folgenden:

only the observations from staff that have no match in managers
only the observations from managers that have no match in staff
all observations from both managers and staff, whether or not they match
no observations

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Frage 27 von 200

1

What change was needed in the TABLES statement?

proc freq data=orion.sales;
tables Country nocum nopercent;
run;

Wähle eine der folgenden:

comma between NOCUM and NOPERCENT
forward slash before the TABLES statement options
an equals sign after the TABLES statement variable
none of the above

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Frage 28 von 200

1

PROC UNIVARIATE identified two observations with Salary values less than 24000. What procedure can you use to display the observations containing the invalid values?

Wähle eine der folgenden:

PROC MEANS
PROC PRINT
PROC FREQ

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Frage 29 von 200

1

Which of these procedures produces output that is most useful for detecting duplicate values?

Wähle eine der folgenden:

PROC PRINT
PROC FREQ
PROC MEANS
PROC UNIVARIATE

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Frage 30 von 200

1

Which of these programs is most useful for determining the exact observation that contains a numeric variable with an extreme value?

Wähle eine der folgenden:

proc print data=sales.totals;
var ProdNum Sales Region;
run;
proc freq data=sales.totals;
tables ProdNum Sales Region;
run;
proc univariate data=sales.totals;
run;

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Frage 31 von 200

1

A PROC FREQ analysis identified invalid and missing values in a data set. Which of these procedures can display the observations that contain invalid or missing values?

Wähle eine der folgenden:

PROC PRINT
PROC FREQ
PROC MEANS
PROC UNIVARIATE

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Frage 32 von 200

1

This PROC MEANS step creates all of the statistics listed below.

proc means data=orion.sales;
run;

minimum and maximum
the total number of observations that PROC MEANS processes for each subgroup (N Obs)
mean and standard deviation
the number of nonmissing values (N)

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 33 von 200

1

Which option enables you to specify the number of extreme observations displayed by PROC UNIVARIATE?

Wähle eine der folgenden:

a. NEXTROBS=
b. NLEVELS
c. NOPRINT
_ALL_

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Frage 34 von 200

1

In a PROC FREQ step, you can use user-defined formats, as well as existing SAS formats, to group data.

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 35 von 200

1

Is there a problem with this program?

ods pdf file="filepath/myreport.pdf";

proc print data=orion.sales;
run;

ods close;

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 36 von 200

1

Which program correctly opens and closes the LISTING destination?

Wähle eine der folgenden:

ods;
proc freq data=orion.staff;
tables Manager_ID;
run;
ods close;
ods listing;
proc freq data=orion.staff;
tables Manager_ID;
run;
ods listing close;
ods destination;
proc freq data=orion.staff;
tables Manager_ID;
run;
ods destination close;

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Frage 37 von 200

1

The SAS data set orion.growth contains 6 observations and 3 variables (Department, Total_Employees, and Increase). How many observations and variables will the forecast data set contain?

data forecast;
set orion.growth;
TotalYear1=Total_Employees*(1+Increase);
run;

Wähle eine der folgenden:

6 observations, 4 variables
6 observations, 3 variables
12 observations, 4 variables

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Frage 38 von 200

1

If you submit the code shown here, what happens if the value of Country is canada?
data northamerica asia check;
set salesdata;
select(Country);
when ("US","CANADA","MEXICO") output northamerica;
when ("JAPAN") output asia;
otherwise output;
end;
run;

Wähle eine der folgenden:

Nothing happens because the value does not match any value listed in a WHEN expression.
The observation is written only to the check data set.
The observation is written to all three output data sets

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Frage 39 von 200

1

Which of the following programs correctly assigns values of Bonus based on values of Promotion?

Wähle eine der folgenden:

select;
when (2) Bonus=Salary*.6;
end;
select (Promotion);
when (Promotion=2) Bonus=Salary*.6;
end;
select (Promotion);
when (2) Bonus=Salary*.6;
end;

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Frage 40 von 200

1

The data set employee_addresses has 9 variables. After this code runs, how many variables will there be in the usa data set?

data usa(keep=Employee_Name City State) australia other;
set orion.employee_addresses;
if Country='US' then output usa;
else if Country='AU' then output australia;
else output other;
run;

Wähle eine der folgenden:

a. 6
b. 3
c. 9

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Frage 41 von 200

1

The SAS data set car has the variables CarID, CarType, Miles, and Gallons. Select the DATA step or steps that creates the ratings data set with the variables CarType and MPG. Select all that apply.

Wähle eine oder mehr der folgenden:

data ratings(keep=CarType MPG);
set car(drop=CarID);
MPG=Miles/Gallons;
run;
data ratings;
set car(drop=CarID);
drop Miles Gallons;
MPG=Miles/Gallons;
run;

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Frage 42 von 200

1

Which program reads data from observation 100 to observation 200 and prints 50 observations?

Wähle eine der folgenden:

data new(firstobs=100 obs=200);
set old;
run;
proc print data=new(obs=50);
run;
data new;
set old(firstobs=100 obs=200);
run;
proc print data=new(obs=50);
run;

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Frage 43 von 200

1

Which DATA step creates Mth2Dte as an accumulating variable with an initial value of 50?

Wähle eine der folgenden:

data mnthtot;
set orion.aprsales;
retain SaleAmt 50;
Mth2Dte=Mth2Dte+SaleAmt;
run;
data mnthtot;
set orion.aprsales;
retain Mth2Dte 50;
Mth2Dte=Mth2Dte+SaleAmt;
run;

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Frage 44 von 200

1

What must happen in the DATA step to summarize data by groups? Select all that apply.

Wähle eine oder mehr der folgenden:

Sort the input data.
Set the accumulating variable to its initial value at the start of each BY group.
Increment the accumulating variable.
Output only the last observation of each BY group.

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Frage 45 von 200

1

Which DATA step creates Mth2Dte as an accumulating variable with an initial value of 0?

Wähle eine der folgenden:

data mnthtot;
set orion.aprsales;
retain Mnth2Date;
Mth2Dte=Mth2Dte+SaleAmt;
run;
data mnthtot;
set orion.aprsales;
retain Mth2Dte 0;
Mth2Dte=Mth2Dte+SaleAmt;
run;

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Frage 46 von 200

1

Which statement retains the value of Sales2Dte in the PDV across iterations of the DATA step?

Wähle eine der folgenden:

Total_Retail_Price+Sales2Dte;
Sales2Dte+Total_Retail_Price;
Sales2Dte=Sales2Dte+Total_Retail_Price;

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Frage 47 von 200

1

Is this statement true? To create an accumulating total for a group, you first have to sort the data by the grouping variable(s)

Wähle eine der folgenden:

yes
no

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Frage 48 von 200

1

Which statement is true about the following program?
data payroll.empmast;
set payroll.employee;
by gender jobcode;
run;

Wähle eine der folgenden:

A change in the value of LAST.JobCode causes the value of LAST.Gender to change.
A change in the value of LAST.Gender causes the value of LAST.JobCode to be set to 1.
Both LAST.JobCode and LAST.Gender are stored in the new data set.

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Frage 49 von 200

1

Which statement is false about BY-group processing when you use the BY statement with the SET statement?

Wähle eine der folgenden:

The data sets listed in the SET statement must be indexed or sorted by the values of the BY variable(s).
The DATA step automatically creates two new variables, FIRST. and LAST., for each variable in the BY statement
The FIRST. and LAST. variables identify the first and last observation in each BY group, respectively.
The FIRST. and LAST. variables have values of 0 when SAS is processing an observation with the first occurrence of a new value for those variables, and a value of 1 for the other observations.

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Frage 50 von 200

1

If you process a BY group that consists of a single observation, what are the correct values of FIRST.BY-variable and LAST.BY-variable?

Wähle eine der folgenden:

FIRST.BY-variable=0 LAST.BY-variable=0
FIRST.BY-variable=1 LAST.BY-variable=0
FIRST.BY-variable=1 LAST.BY-variable=1
FIRST.BY-variable=0 LAST.BY-variable=1

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Frage 51 von 200

1

When using the DATA step to summarize grouped data, what is the first step in the process?

Wähle eine der folgenden:

Output the first observation of each BY group.
Set the accumulating variable to zero at the start of each BY group.
Increment the accumulating variable with a sum statement (automatically retains).

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Frage 52 von 200

1

Which DATA step statement indicates to continue processing the last observation of a BY group?

Wähle eine der folgenden:

if first.jobtype;
if last.jobtype;
if first.jobtype then output;
if last.jobtype then output=1;

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Frage 53 von 200

1

Which raw data value below is an example of nonstandard numeric data?

Wähle eine der folgenden:

234.908
-234.908
$234,908.00
23E4

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Frage 54 von 200

1

Can you use column input to read both standard and nonstandard data in fixed fields?

Wähle eine der folgenden:

Yes
No

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Frage 55 von 200

1

Which informat below should you use to read the raw data value $1,230,456 as a numeric variable?

Wähle eine der folgenden:

w.
. $w.
COMMAw.

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Frage 56 von 200

1

Which set of instructions reads the values for Quantity (in the third field) after the values for Item (in the first field)? Select all that apply.

Wähle eine oder mehr der folgenden:

input Item $9. @20 Quantity 3.;
input Item $9. +10 Quantity 3.;
input Item $9. +11 Quantity 3.;

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Frage 57 von 200

1

Which INPUT statement correctly reads the values for Fname, Lname, Address, City, State, and Zip in order?

Wähle eine der folgenden:

input Fname $ Lname $ /
Address $20. /
City $ State $ Zip $;
input Fname $ Lname $ /;
Address $20. /;
City $ State $ Zip $;
input / Fname $ Lname $
/ Address $20.
City $ State $ Zip $;

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Frage 58 von 200

1

Which style of INPUT statement specification is used to read data in fixed columns?

Wähle eine der folgenden:

column input
formatted input
a and b
none of the above

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Frage 59 von 200

1

In the INPUT statement, what is the syntax used to move the input pointer to a specified column?

Wähle eine der folgenden:

a. /n
b. +n
c. #n
d. @n

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Frage 60 von 200

1

The width of the input field can be specified by an informat when used with formatted input.

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 61 von 200

1

Formatted input cannot be used to read which of the following types of raw data?

Wähle eine der folgenden:

. standard free-format data
standard data in fixed fields
nonstandard data in fixed fields

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Frage 62 von 200

1

Which set of instructions does not correctly read the values for Quantity (in the third field) after the values for Item (in the first field)?

Wähle eine der folgenden:

input Item $9. @20 Quantity 3.;
input Item $9. +10 Quantity 3.;
. input Item $9. +11 Quantity 3.;

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Frage 63 von 200

1

Which of the following INPUT statements correctly reads the values for Fname (in the second field), Lname, Department, and Salary (in that order)?

Wähle eine der folgenden:

input @14 Fname $10. @1 Lname $10./
Department $7./
Salary comma10.;
input @14 Fname $10. @1 Lname $10.
#2 Department $7.
#3 Salary comma10.;
both a and b

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Frage 64 von 200

1

The single trailing @ releases a record when which of the following conditions occurs?

Wähle eine der folgenden:

An INPUT statement without a trailing @ executes.
The next iteration of the DATA step begins.
both a and b

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Frage 65 von 200

1

What does a forward slash (/) indicate when used in an INPUT statement?

Wähle eine der folgenden:

Load the next file in the input buffer.
Load the next field in the input buffer.
Load the next record in the input buffer.
none of the above

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Frage 66 von 200

1

When you use a trailing @, which of the following things occur?

Wähle eine der folgenden:

The pointer position does not change.
No new record is loaded into the input buffer.
The next INPUT statement for the same iteration of the DATA step continues to read the same record.
All of the above

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Frage 67 von 200

1

Generally, the most efficient place to put a subsetting IF statement is as early as possible in the DATA step

Wähle eins der folgenden:

WAHR
FALSCH

Erklärung

Frage 68 von 200

1

Which of the following statements is false?

Wähle eine der folgenden:

Functions are used in SAS statements.
A function is written by specifying the function name followed by the function arguments.
. Function arguments must be enclosed in parentheses.
All function arguments are variables.

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Frage 69 von 200

1

Which assignment statement converts the current value of Name to the new value of Name? Select all that apply

Wähle eine oder mehr der folgenden:

. propcase(Name,'*');
propcase(Name,' *');
propcase(Name,'* ');

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Frage 70 von 200

1

If you specify the period, comma, and blank as delimiters for the SCAN function, what is the fourth word in the text string below?

MR. JONATHAN E. MATTHEWS, PERSONNEL DIRECTOR

Wähle eine der folgenden:

E
PERSONNEL DIRECTOR
MATTHEWS
PERSONNEL

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Frage 71 von 200

1

If you specify the colon as the delimiter for the SCAN function, how many words appear in the text string below?

Washington:New York:California:New Mexico

Wähle eine der folgenden:

. 4
6

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Frage 72 von 200

1

In this DATA step, which SCAN function completes the assignment statement to correctly extract the four-digit year from the Text variable? Select all that apply.

data Scan_Quiz;
Text="New Year's Day, January 1st, 2007";
Year=________________________;
run;

Wähle eine oder mehr der folgenden:

scan(Text,-1)
scan(Text,6)
scan(Text,6,', ')

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Frage 73 von 200

1

Which of the following FIND functions returns the value 1?

Wähle eine der folgenden:

find('She sells seashells? Yes, she does.','she')
find('She sells seashells? Yes, she does.','she','i')
find('She sells seashells? Yes, she does.','she',22)
find('She sells seashells? Yes, she does.','she',-10)

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Frage 74 von 200

1

Select the statement that replaces the first three characters in values of Dept with the characters PUR.

Wähle eine der folgenden:

Dept=substr(PUR,1,3);
substr(Dept,1,3)='PUR';
PUR=substr(Dept,1,3);
none of these

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Frage 75 von 200

1

Select the assignment statement that changes the string Burma to Myanmar in values of the variable Country. Assume that Country has a length of 25 bytes.

Wähle eine der folgenden:

Country=tranwrd('Burma','Myanmar');
Country=tranwrd(Country,Burma,Myanmar);
Country=tranwrd(Country,'Burma','Myanmar');

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Frage 76 von 200

1

Which of the following assignment statements correctly calculates the average of Rest1, Rest2, Rest3, and Rest4?

Wähle eine der folgenden:

RestAvg=mean of Rest1-Rest4;
RestAvg=mean(Rest1 Rest2 Rest3 Rest4);
RestAvg=sum(Rest1,Rest2,Rest3,Rest4);
RestAvg=mean(Rest1,Rest2,Rest3,Rest4);

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Frage 77 von 200

1

Which program changes the values of the variable Examples, found in the data set Before, to the values shown in After?

Wähle eine der folgenden:

data after;
set before;
Examples=int(Examples);
run;
data after;
set before;
Examples=round(Examples);
run;
both a and b

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Frage 78 von 200

1

Which statement correctly describes the result of submitting the DATA step that is shown below? The variables TotalPay and Commission are numeric. The variable Pay is character.

data reg.newsales;
set reg.sales;
TotalPay=Pay+Commission;
run;

Wähle eine der folgenden:

The values of the numeric variables TotalPay and Commission are converted to character values because these variables are used in a character context.
The values of the character variable Pay are converted to numeric values because this variable is used in a numeric context.

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Frage 79 von 200

1

A typical value for the character variable Target is 123,456. Which statement correctly converts the values of Target to numeric values when creating the variable TargetNo?

Wähle eine der folgenden:

TargetNo=input(Target,comma6.);
TargetNo=input(Target,comma7.);
TargetNo=put(Target,comma6.);
TargetNo=put(Target,comma7.);

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Frage 80 von 200

1

Which function calculates the average of the variables Var1, Var2, Var3, and Var4?

Wähle eine der folgenden:

a. mean(Var1,Var4)
b. mean(Var1-Var4)
c. mean(of Var1,Var4)
d. mean(of Var1-Var4)

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Frage 81 von 200

1

Which assignment statement for Total correctly uses a SAS variable list and the SUM function to add the values for Year1, Year2, Year3, and Year4?

Wähle eine der folgenden:

a. Total=sum(of Year1-Year4);
b. Total=sum(of Year2--Year4);
c. Total=sum(of Year:);
d. All of the above

Erklärung

Frage 82 von 200

1

Which function returns the greatest integer less than or equal to the argument?

Wähle eine der folgenden:

a. CEIL
b. INT
c. FLOOR

Erklärung

Frage 83 von 200

1

Which value is returned from the following statement?
x=int(7.89)

Wähle eine der folgenden:

a. 7
b. 7.8
c. 8

Erklärung

Frage 84 von 200

1

If the value of PctDec is -3.272, which statement will NOT return a value of -3 for Decrease?

Wähle eine der folgenden:

Decrease=round(PctDec,1);
Decrease=ceil(PctDec);
Decrease=floor(PctDec);
Decrease=int(PctDec);

Erklärung

Frage 85 von 200

1

Within the data set hrd.temp, PayRate is a character variable and Hours is a numeric variable. What happens when the following program is submitted?

data temp;
set hrd.temp;
Salary=PayRate*Hours;
run;

Wähle eine der folgenden:

SAS converts the values of PayRate to numeric values. No message is written to the log.
SAS converts the values of PayRate to numeric values. A message is written to the log.
SAS converts the values of Hours to character values. A message is written to the log.

Erklärung

Frage 86 von 200

1

Which of the following functions can convert the values of the numeric variable Level to character values?

Wähle eine der folgenden:

put(Level,3.)
input(3.,Level)
put(3.,Level)
input(Level,3.)

Erklärung

Frage 87 von 200

1

A typical value for the numeric variable SiteNum is 12.3. Which statement correctly converts the values of SiteNum to character values when creating the variable Location?

Wähle eine der folgenden:

Location=Dept||'/'||put(SiteNum, $3);
Location=Dept||'/'||put(SiteNum,4);
Location=Dept||'/'||put(SiteNum,3.1);
Location=Dept||'/'||put(SiteNum,4.1);

Erklärung

Frage 88 von 200

1

Which of the following functions converts the character values of Base to numeric values?

Wähle eine der folgenden:

put(comma10.2,Base)
put(Base,comma10.2)
input(Base,comma10.2)
input(comma10.2, Base)

Erklärung

Frage 89 von 200

1

AvgSale=input(AvgSale,comma6.);

Wähle eine der folgenden:

yes
no

Erklärung

Frage 90 von 200

1

Which of the following represents acceptable syntax for the PUTLOG statement. Select all that apply.

Wähle eine oder mehr der folgenden:

putlog 'customer'=;
putlog 'Note: write this in the log';
putlog write this in the log;
putlog customer $quote13.;
putlog customer=;

Erklärung

Frage 91 von 200

1

What will this PUTLOG statement do?

Wähle eine der folgenden:

write text to the log
write the values of all the variables to the log
write formatted values to the log
write all the logic errors to the log

Erklärung

Frage 92 von 200

1

Which of the following represents acceptable syntax for the END= option in the INFILE statement?

Wähle eine der folgenden:

infile work.catalog end=last;
infile work.catalog end.last;
infile catalog end=last;
infile catalog end.last;

Erklärung

Frage 93 von 200

1

Is it acceptable to use the END= option in both SET and INFILE statements?

Wähle eine der folgenden:

yes
no

Erklärung

Frage 94 von 200

1

When a logic error occurs, SAS writes an error message to the log.

Wähle eins der folgenden:

WAHR
FALSCH

Erklärung

Frage 95 von 200

1

Which of the following is not a task of the PUTLOG statement?

Wähle eine der folgenden:

Write text to the log.
Write formatted values to the log.
Write all the logic errors to the log.
Write the values of all the variables to the log.

Erklärung

Frage 96 von 200

1

The variable Title is 22 characters long. One of the values for Title is My House on the Lane. Which of the following statements would provide the full value of the variable in the log if the data included two leading spaces?

Wähle eine der folgenden:

putlog Title $quote20.;
putlog Title $quote22.;
putlog Title $quote30.;

Erklärung

Frage 97 von 200

1

The END= option in the SET or INFILE statement indicates that SAS should process the last observation.

Wähle eins der folgenden:

WAHR
FALSCH

Erklärung

Frage 98 von 200

1

When you submit the following program, what will be listed in the log?

data work.holdings;
set work.catalog end=last;
if _n_=1 then
putlog 'books';
if last then do;
putlog 'last of books';
putlog _all_;
end;
run;

Wähle eine der folgenden:

Books, last of books, and the values of all the variables for the last observation
Books, last of books, and the values for all the variables in all observations
The values of all the variables for the last observation

Erklärung

Frage 99 von 200

1

Select the DO WHILE statement that would generate the same result as the program below.

data work.invest;
Capital=100000;
do until(Capital gt 500000);
Year+1;
Capital+(Capital*.10);
end;
run;

Wähle eine der folgenden:

do while(Capital ge 500000);
do while(Capital=500000);
do while(Capital le 500000);
do while(Capital>500000);

Erklärung

Frage 100 von 200

1

How many times does this DO loop execute?

data work.test;
x=15;
do while(x<12);
x+1;
end;
run;

Wähle eine der folgenden:

0
1
12
x

Erklärung

Frage 101 von 200

1

What is the value of X at the completion of the DATA step?

data work.test;
x=15;
do while(x<12);
x+1;
end;
run;

Wähle eine der folgenden:

12
15
16
unknkown

Erklärung

Frage 102 von 200

1

In the example below, the variable X is summed during each iteration of the DO loop. What is the value of X at the completion of this DATA step?

data test;
do i=1 to 5;
do j=1 to 4;
x+1;
end;
end;
run;

Wähle eine der folgenden:

0
5
20
21

Erklärung

Frage 103 von 200

1

Which statement is false regarding nested DO loops?

Wähle eine der folgenden:

Each DO statement must have a corresponding END statement.
Each DO loop must have its own index variable.
Each DO loop must use the same increment value.
Each DO loop can contain iterated SAS statements.

Erklärung

Frage 104 von 200

1

During each execution of the following DO loop, the value of Earned is calculated and is added to its previous value. How many times does this DO loop execute?

data finance.earnings;
Amount=1000;
Rate=.075/12;
do Month=1 to 12;
Earned+(Amount+Earned)*Rate;
end;
run;

Wähle eine der folgenden:

0
1
12
13

Erklärung

Frage 105 von 200

1

In the data set invest, what would be the stored value for Year?

data invest;
do Year=2008 to 2012;
Capital+5000;
Capital+(Capital*.03);
end;
run;

Wähle eine der folgenden:

. missing
2008
2012
2013

Erklärung

Frage 106 von 200

1

What is the value of X at the completion of the DATA step?

data test;
x=15;
do while(x>12);
x+1;
end;
run;

Wähle eine der folgenden:

12
15
16
This loop executes infinitely

Erklärung

Frage 107 von 200

1

In the following DATA step, how many times does the inner DO loop execute?

data invest;
do Year=2008 to 2012;
Capital+5000;
do Quarter=1 to 4;
Capital+(Capital*.03);
end;
end;
run;

Wähle eine der folgenden:

4
8
16
20

Erklärung

Frage 108 von 200

1

Based on this DATA step, how many observations will the earnings data set contain?

data earnings;
Earned=0;
do Count=1 to 12;
Earned+(Amount+Earned)*(Rate/12);
output;
end;
run;

Wähle eine der folgenden:

0
1
12
13

Erklärung

Frage 109 von 200

1

Which of the following statements will not execute a DO loop?

Wähle eine der folgenden:

do i=8, 10, 4, 14;
do i=.30 to .20 by -.1;
do i=(x+10) to x;
do i=-1 to -3 by -1;

Erklärung

Frage 110 von 200

1

How many times does the DO loop execute for the first iteration of the DATA step?

Wähle eine der folgenden:

1
5
3
4

Erklärung

Frage 111 von 200

1

How many times does this DO loop execute?

data test;
x=15;
do until(x>12);
x+1;
end;
run;

Wähle eine der folgenden:

0
1
12
unknown

Erklärung

Frage 112 von 200

1

What is the value of X at the completion of the DATA step?

data test;
x=15;
do until(x>12);
x+1;
end;
run;

Wähle eine der folgenden:

12
15
16
unknown

Erklärung

Frage 113 von 200

1

Which statement about SAS arrays is true?

Wähle eine der folgenden:

When you create an array in one DATA step, you can reference it by name in another DATA step.
An array can contain a mixture of numeric and character variables if they are explicitly named.
An array exists only for the duration of the DATA step.
It is a good practice to name the array the same name as one of the variables in the array

Erklärung

Frage 114 von 200

1

Which of the following ARRAY statements is correct?

Wähle eine der folgenden:

array{*} Ans1-Ans10;
array quiz{6} Q1 Q2 Q3 Q4 Q5 Q6 Q7;
array fruit{*} Apples Pears Grapes Bananas Oranges;
quiz array{7} Q1-Q6;

Erklärung

Frage 115 von 200

1

The trial data set contains five numeric variables that store data collected during an experimental trial. Which ARRAY statement groups the variables T1, T2, T3, T4, and T5 into an array named test?

Wähle eine der folgenden:

array test{*} T1 T2 T3 T4 T5;
array test{5} T1-T5;
array test{*} _numeric_;
all of the above

Erklärung

Frage 116 von 200

1

Which DO loop completes the program so that the values stored in the variables Weight1-Weight8 are converted from kilograms to pounds?

data hrd.convert;
set hrd.fitclass;
array wt{*} Weight1-Weight8;
_

___
run;

Wähle eine der folgenden:

do i=1 to 8;
wt{i}=wt{i}*2.2046;
end;
do i=1 to *;
wt[i]=wt[i]*2.2046;
end;
do i=1 to 8;
Weight{i}=Weight{i}*2.2046;
end;

Erklärung

Frage 117 von 200

1

Which ARRAY statement creates the numeric variables Comp1 through Comp25? Select all that apply.

Wähle eine oder mehr der folgenden:

array Comp{25};
array compute{25} Comp1-Comp25;
array comp{25} $;
array comp{*} Comp1-Comp25;

Erklärung

Frage 118 von 200

1

Which ARRAY statement correctly defines a temporary lookup table named country with three elements that are initialized to AU, NZ, and US?

Wähle eine der folgenden:

array country{3} _temporary_ ('AU','NZ','US');
array country{3} $ 2 _temporary_ (AU,NZ,US);
array country{3} $ 2 _temporary_ ('AU','NZ','US');

Erklärung

Frage 119 von 200

1

Which statement is false regarding an ARRAY statement?

Wähle eine der folgenden:

It is an executable statement.
It can be used to create variables.
It must contain either all numeric or all character elements.
It must be used to define an array before the array name can be referenced.

Erklärung

Frage 120 von 200

1

What belongs within the braces of this ARRAY statement?

array contrib{?} qtr1-qtr4;

Wähle eine der folgenden:

quarter
quarter*
1-4
4

Erklärung

Frage 121 von 200

1

Which of the following ARRAY statements is correct?

Wähle eine oder mehr der folgenden:

array grades{*} Q1 Q4 Q7 Q8 Q12 Q15;
array sites{3} $10;
array trials{*} _numeric_;
array exp{5} _temporary_ (93 85 77 69 61);
All of the above

Erklärung

Frage 122 von 200

1

What does the following ARRAY statement do?

array seed{*} _character_;

Wähle eine der folgenden:

This statement creates a temporary array of character variables.
This statement creates an array of all previously defined character variables in the DATA step.
Nothing. This is not an accurate ARRAY statement.

Erklärung

Frage 123 von 200

1

For the program below, select the interative DO statement that processes all elements in the contrib array.

data work.contrib;
array contrib{4} qtr1-qtr4;
_____________
contrib{i}=contrib{i}*1.25;
end;
run;

Wähle eine der folgenden:

do i=4;
do i=1 to 4;
do until i=4;
do while i le 4;

Erklärung

Frage 124 von 200

1

What is the value of the index variable that references Jul in the statements below?

array quarter{4} Jan Apr Jul Oct;
do i=1 to 4;
yeargoal=quarter{i}*1.2;
end;

Wähle eine der folgenden:

1
2
3
4

Erklärung

Frage 125 von 200

1

Which statement below is false regarding the use of arrays to create variables?

Wähle eine der folgenden:

The variables are added to the program data vector during the compilation of the DATA step.
You do not need to specify the array elements in the ARRAY statement.
By default, all character variables are assigned a length of eight.
Only character variables can be created.

Erklärung

Frage 126 von 200

1

Which of these data sets could be described as a narrow data set?

Wähle eine der folgenden:

work.a
work.b

Erklärung

Frage 127 von 200

1

Which data set is more appropriate for using PROC FREQ to determine the number of donations made in each of the four quarters?

Wähle eine der folgenden:

work.a
work.b

Erklärung

Frage 128 von 200

1

When using an array to restructure the data, how many array elements would you use if you wanted work.a to look like work.b?

Wähle eine der folgenden:

1
3
4
5

Erklärung

Frage 129 von 200

1

Which of the following IF statements creates the non-matches seen in the combine data set?

Wähle eine der folgenden:

if InProd=1 or InCost=1;
if InProd=0 or InCost=0;
if InProd=0 and InCost=0;

Erklärung

Frage 130 von 200

1

What are the names of the two temporary variables created by the BY statement in the code below?

data orderdata(keep=Customer_Name Quantity Total_Retail_Price)
noorders(keep=Customer_Name Birth_Date);
merge orion.customer
work.orders_2007(in=order);
by Customer_ID;
if order=1 then output orderdata;
else output noorders;
run;

Wähle eine der folgenden:

FIRST.Order, LAST.Order
FIRST.Customer, LAST.Customer
FIRST.Customer_ID, LAST.Customer_ID

Erklärung

Frage 131 von 200

1

Which statements correctly access the Supplier worksheet in the Excel workbook?

Wähle eine der folgenden:

libname bonus "&path/BonusGift.xls";

proc print data=bonus.Supplier;
run;
libname bonus "&path/BonusGift.xls";

proc print data=bonus.'Supplier$'n;
run;

Erklärung

Frage 132 von 200

1

Which statement is true concerning match-merging?

Wähle eine der folgenden:

The MERGE statement must refer to permanent data sets.
The variables in the BY statement can be in only one of the data sets.
Only two data sets can be specified in the MERGE statement.
When you use the MERGE statement with the BY statement, the data must be sorted or indexed on the BY variable.

Erklärung

Frage 133 von 200

1

Which of the following data set options can be added to the MERGE statement to help identify data set contributors (that is, identify the matches)?

Wähle eine der folgenden:

IN=
OBS=
RENAME=
MATCHES=

Erklärung

Frage 134 von 200

1

The following program will execute without errors:

data bonuses;
merge managers(in=M)
staff(in=S);
by EmpID;
if M=0 and S=1;
run;;

Wähle eine der folgenden:

True
False

Erklärung

Frage 135 von 200

1

Which subsetting IF statement selects observations for subsequent processing only if all three input data sets contribute to the current observation?

data merged.flowers;
merge spring.roses(rename=(red=BrickRed) in=yellow)
spring.lilacs(in=purple)
spring.petunias(in=pink);
by ID;
_________________________
run;

Wähle eine der folgenden:

if yellow=1 and purple=1 or pink=1;
if yellow=0 or purple=0 or pink=0;
if yellow=1 and purple=1 and pink=1;
if yellow=1 or purple=1 and pink=0;

Erklärung

Frage 136 von 200

1

The following program will execute without errors:

Wähle eine der folgenden:

True
False

Erklärung

Frage 137 von 200

1

The following tables list the variables in three SAS data sets: a, b, and c. Can these three data sets be merged in one DATA step?

Wähle eine der folgenden:

Yes
No

Erklärung

Frage 138 von 200

1

Which of the following LIBNAME statements correctly assigns the libref mymusic to the file AllMusic.xls, which is stored in the Entertainment directory of the C: drive on the Windows operating environment?

Wähle eine der folgenden:

libname mymusic 'Allmusic.xls';
libname mymusic 'C:\Entertainment\Allmusic.xls';
libname mymusic 'C:\Entertainment\Allmusic';
libname mymusic 'C:\Entertainment\Allmusic' filetype='excel';

Erklärung

Frage 139 von 200

1

The data sets ensemble.spring and ensemble.summer both contain a variable named Blue, and Blue is not the BY variable. Which program prevents the values of the variable Blue from being overwritten when you merge the two data sets?

Wähle eine der folgenden:

data ensemble.merged;
merge ensemble.spring(keep=blue)
ensemble.summer;
by fabric;
run;
data ensemble.merged;
merge ensemble.spring(blue=navy)
ensemble.summer;
by fabric;
run;
data ensemble.merged;
merge ensemble.spring(rename=(blue=navy))
ensemble.summer;
by fabric;
run;

Erklärung

Frage 140 von 200

1

The variable Location appears in the three data sets represented below. Which value appears in the output data set when the three data sets are merged in the order shown?

Wähle eine der folgenden:

. Florida
Canada
New York

Erklärung

Frage 141 von 200

1

Suppose the empinfo.bonuses data set contains the variables ID, Name, Office, Manager, Location, and Amount. Specify a data set option in the MERGE statement below to use only the variables ID, Name, and Amount in the data set.

data mergedata.emppay;
merge sales.reps(rename=(office=OfficeNumber))
empinfo.sales
empinfo.bonuses ___________________;
by ID;
run;

Wähle eine der folgenden:

(drop=ID Name Amount)
(output ID Name Amount)
(keep=ID Name Amount)
(in=ID Name Amount)

Erklärung

Frage 142 von 200

1

The control data set that you use to create a format must contain variables that supply the same information as which of the following statements?

Wähle eine der folgenden:

assignment
VALUE
INPUT
FORMAT

Erklärung

Frage 143 von 200

1

SAS stores formats as entries in which of the following?

Wähle eine der folgenden:

SAS data sets
the SAS registry
SAS catalogs
SAS programs

Erklärung

Frage 144 von 200

1

Which of the following PROC FORMAT steps creates a format from the temporary data set citycode and saves the format to sasuser.formats?

Wähle eine der folgenden:

proc format lib=work cntlin=sasuser.citycode;
run;
proc format lib=sasuser cntlin=citycode;
run;
proc format lib=work cntlin=citycode;
run;

Erklärung

Frage 145 von 200

1

Given the following OPTIONS statement, in what order will SAS search to find a user-defined format?

options fmtsearch=(rpt prod.newfmt);

Wähle eine der folgenden:

work.formats→library.Prod→library.Newfmt
work.formats→library.formats→rpt.Formats→prod.Newfmt
rpt.Formats→prod.Newfmt→work.formats→library.formats

Erklärung

Frage 146 von 200

1

Given the following PROC FORMAT step, select the OPTIONS statement to submit before SAS can use the region format.

proc format lib=sasuser;
value region
1='North'
2='South'
3='East'
4='West'
run;

Wähle eine der folgenden:

options fmtsearch=(sasuser);
options nofmterr;
options nofmterr fmtsearch=(work);

Erklärung

Frage 147 von 200

1

By default, the FMTERR system option is in effect. If you use a format that SAS cannot load, SAS issues an error message and stops processing the step.

Wähle eins der folgenden:

WAHR
FALSCH

Erklärung

Frage 148 von 200

1

Which of the following statements can you add to this PROC FORMAT step to document all of the formats in the sasuser.formats catalog except the $geoarea and geopop formats?

proc format lib=sasuser fmtlib;
___________________________
run;

Wähle eine der folgenden:

select geoarea. geopop.;
exclude geoarea. geopop.;
select $geoarea geopop;
exclude $geoarea geopop;
exclude $geoarea. geopop.;

Erklärung

Frage 149 von 200

1

Which option do you use with PROC FORMAT to document the format in a particular format catalog?

Wähle eine der folgenden:

FMTSEARCH=
FMTERR
CATALOG
FMTLIB

Erklärung

Frage 150 von 200

1

Which PROC FORMAT option do you use to create a SAS data set from a format?

Wähle eine der folgenden:

. CNTLIN=
LIBRARY=
CNTLOUT=
FMTLIB=

Erklärung

Frage 151 von 200

1

By default, user-defined formats are stored in a temporary catalog named work.formats and are deleted at the end of your SAS session.

Wähle eins der folgenden:

WAHR
FALSCH

Erklärung

Frage 152 von 200

1

Which PROC FORMAT statement option is used to create a permanent format?

Wähle eine der folgenden:

CNTLIN=
FMTLIB=
LIBRARY=
CNTLOUT=

Erklärung

Frage 153 von 200

1

The variables FmtName, Start, and Label are required in order to create a format from an input control data set.

Wähle eins der folgenden:

WAHR
FALSCH

Erklärung

Frage 154 von 200

1

Given the following OPTIONS statement, in what order will SAS search to find a user-defined format?

options fmtsearch=(orion.MyFmts);

Wähle eine der folgenden:

orion.MyFmts only
work.formats→orion.MyFmts→library.formats
work.formats→library.formats→orion.MyFmts
orion.MyFmts→work.formats→library.formats

Erklärung

Frage 155 von 200

1

Which statement best describes the purpose of the output control data set?

Wähle eine der folgenden:

The output control data set enables you to output one value for one observation that contains the information about the format.
The output control data set enables you to output formats without writing VALUE statement in the PROC FORMAT step.
The output control data set contains information that describes formats. It is the data set that is created with the CNTLIN= option in the PROC FORMAT statement.
The output control data set contains information that describes formats. It is the data set that is created with the CNTLOUT= option in the PROC FORMAT statement.

Erklärung

Frage 156 von 200

1

When the NOFMTERR system option is in effect, what happens when SAS encounters a format it can't locate?

Wähle eine der folgenden:

SAS creates the format in the default work.formats directory and continues processing.
SAS substitutes the $w. or w. format and continues processing.
SAS stops processing and writes an error message to the log.
SAS skips processing at that step and continues with the next step, and writes a note to the log.

Erklärung

Frage 157 von 200

1

Which statement is true concerning the FMTLIB option in PROC FORMAT when generating a report for permanent formats?

Wähle eine der folgenden:

The FMTLIB option in PROC FORMAT prints information about all permanent formats in your SAS session.
The FMTLIB option in PROC FORMAT prints information about all of the formats in the work.formats catalog.
The FMTLIB option in PROC FORMAT prints information about all of the formats in the LIBRARY.FORMATS option.
The FMTLIB option in PROC FORMAT prints information about all formats in the catalog that is specified in the LIBRARY= option.

Erklärung

Frage 158 von 200

1

Which procedure enables you to manage a SAS catalog?

Wähle eine der folgenden:

PROC COPY
PROC CATMOD
PROC CATALOG
PROC CONTENTS

Erklärung

Frage 159 von 200

1

In which location can you not use a FORMAT?

Wähle eine der folgenden:

PUT statement
TITLE statement
FORMAT= option
FORMAT statement

Erklärung

Frage 160 von 200

1

Which value statement correctly creates a nested format definition?

Wähle eine der folgenden:

value $country
' '='Not Available'
other=[$country30.];
value $extra
' '='Not Available'
other=[$country30.];

Erklärung

Frage 161 von 200

1

Which statement about PROC SQL is false?

Wähle eine der folgenden:

PROC SQL stops running only when SAS encounters a QUIT statement.
A PROC SQL step can contain more than one SELECT statement.
A PROC SQL step creates a report by default.
When you use PROC SQL to join tables, you do not need to presort the input tables

Erklärung

Frage 162 von 200

1

Which code creates a report that displays two columns from orion.donate? (Assume that the orion library is already defined.)

Wähle eine der folgenden:

proc sql;
from orion.donate
select Employee_ID, Amount;
quit;
proc sql;
select Employee_ID, Amount
from orion.donate;
quit;
proc sql;
select Employee_ID Amount
from orion.donate;
quit;
proc sql;
select Employee_ID, Amount;
from orion.donate;
quit;

Erklärung

Frage 163 von 200

1

Which PROC SQL step creates only an output table named clinic.bills?

Wähle eine der folgenden:

proc sql;
create table clinic.bills;
select ID, Date, Fee
from clinic.admit;
quit;
proc sql;
create table clinic.bills as
select ID, Date, Fee
from clinic.admit;
quit;
proc sql;
select ID, Date, Fee
from clinic.admit
create table as clinic.bills;
quit;

Erklärung

Frage 164 von 200

1

The tables Orion.customer and orion.country both store country abbreviations in a column named Country. The other columns have unique names. In a PROC SQL step, which SELECT statement correctly joins the two tables on matching values of Country?

Wähle eine der folgenden:

select Customer_ID, Country, Country_Name
from orion.customer, orion.country
where Country = Country;
select Customer_ID, Country, Country_Name
from orion.customer, orion.country
where customer.Country = country.Country;
select Customer_ID, customer.Country, Country_Name
from orion.customer, orion.country
where country.Country = customer.Country;

Erklärung

Frage 165 von 200

1

This PROC SQL step joins two tables that have only the column Student_Name in common. Which FROM clause correctly completes this step? Select all that apply.

proc sql;
select r.Student_Name,
Course_Number,
Balance
___________________
where r.Student_Name=
s.Student_Name;
quit;

Wähle eine oder mehr der folgenden:

from school.register as r,
school.students as s
from school.register as r,
school.students s
from school.students as s,
school.register as r
from school.students as
s.students,
school.register as
r.register

Erklärung

Frage 166 von 200

1

PROC SQL stops running when it encounters which of the following?

Wähle eine der folgenden:

Semicolon
FROM clause
RUN statement
QUIT statement
A second SELECT statement

Erklärung

Frage 167 von 200

1

In this PROC SQL step, which clause or clauses are written incorrectly?

proc sql;
select Employee_ID
Name
Dependents
from orion.employees
where Salary < 50000;
quit;

Wähle eine der folgenden:

FROM
WHERE
SELECT

Erklärung

Frage 168 von 200

1

When you are joining tables using PROC SQL, you never use a WHERE clause.

Wähle eins der folgenden:

WAHR
FALSCH

Erklärung

Frage 169 von 200

1

Which code fragment correctly completes the WHERE clause in this PROC SQL step joining the two tables by Policy?

proc sql;
select claims.Policy,
Claim_Num,
Dependents
from insurance.claims
insurance.accounts
where _=
_;
quit;

Wähle eine der folgenden:

Policy=Policy
claims.Policy=accounts.Policy
claims.Policy=insurance.Policy
insurance.Policy=insurance.Policy

Erklärung

Frage 170 von 200

1

In the SELECT statement, when is a WHERE clause required?

Wähle eine der folgenden:

always
only when querying one table
only when joining tables
never

Erklärung

Frage 171 von 200

1

Airline.expenses and airline.revenue both have 30 rows, and one column in common named Flight_ID. Each row in the first table has a value of Flight_ID that matches the Flight_ID value in one and only one row in the second table. When you run this PROC SQL program, how many rows appear in the result set?

proc sql;
select expenses.Flight_ID,
Amount, Date
from airline.expenses,
airline.revenue;
quit;

Wähle eine der folgenden:

0
30
60
900

Erklärung

Frage 172 von 200

1

The tables orion.orders and orion.customers have the common column Customer_ID. What output does this program generate?

proc sql;
select Order_ID,
Customer_ID,
Order_Type
from orion.orders;
select Customer_ID,
Customer_Age_Group,
Order_Type
from orion.customers;
quit;

Wähle eine der folgenden:

no output
one report that contains a Cartesian product
two reports that contain query results
two reports and two output data sets

Erklärung

Frage 173 von 200

1

Will this PROC SQL step run?

proc sql;
select SaleDate
from company.sales
where SaleAmt>500;
quit;

Wähle eine der folgenden:

YES
NO

Erklärung

Frage 174 von 200

1

The table insurance.claims contains the columns Policy, Claim_Num, and Status. The table insurance.accounts also contains the column Policy. These two tables are not sorted. Will this PROC SQL step create a report?

proc sql;
select accounts.Policy,
Claim_Num,
Status
from insurance.claims,
insurance.accounts
where accounts.Policy =
claims.Policy;
quit;

Wähle eine der folgenden:

Yes
No, because the FROM clause lists the tables in the wrong order.
No, because the input tables were not sorted first.
No, because some of the columns in the SELECT clause are not qualified.
No, because this program creates an output table instead of a report.

Erklärung

Frage 175 von 200

1

Which code fragment completes the FROM clause in this PROC SQL step?

proc sql;
select x.Policy,
Claim_Num,
Status
from insurance.claims ___
insurance.accounts x
where x.Policy =
y.Policy;
quit;

Wähle eine der folgenden:

x
x,
y
y,
c

Erklärung

Frage 176 von 200

1

Which of the following statements about the SAS macro facility are true?

Wähle eine der folgenden:

The SAS macro facility enables you to package text into units that have names.
The SAS macro facility enables you to improve your efficiency as a SAS programmer.
The SAS macro facility includes its own language, which is called the SAS macro language.
All of the above

Erklärung

Frage 177 von 200

1

Which of the following statements is true about macro variables?

Wähle eine der folgenden:

SAS assigns names and values to automatic macro variables; the programmer assigns names and values to user-defined macro variables.
Neither automatic nor user-defined macro variables are part of a SAS data set.
Both automatic and user-defined macro variables can only have values that are text strings.
All of the above

Erklärung

Frage 178 von 200

1

Which of the following macro variable references will the macro processor correctly interpret? Select all that apply.

Wähle eine oder mehr der folgenden:

proc print data=mydata;
where sales >= &total;
run;
proc print data=&mydata;
run;
title 'Totals for &Month';
proc print data=mydata;
run;

Erklärung

Frage 179 von 200

1

What is the value and length of the macro variable fname, based on the %LET statement shown below?

%let fname= Marie

Wähle eine der folgenden:

11
5
6

Erklärung

Frage 180 von 200

1

What is the value and length of the macro variable name, based on the %LET statement shown below?

%let name="Marie Hudson";

Wähle eine der folgenden:

14
12
13

Erklärung

Frage 181 von 200

1

What is the value and length of the macro variable total, based on the %LET statement shown below?

%let total=10+2;

Wähle eine der folgenden:

Value
Length
(missing value)
0
Value
Length
12
2
Value
Length
10+2
4

Erklärung

Frage 182 von 200

1

Which of the following statements or programs does not correctly display the value of the macro variable month to the SAS log?

Wähle eine der folgenden:

options &month;
proc print data=&month;
run;
%put &month;
options symbolgen;
proc print data=&month;
run
%put the macro variable Month has the value &month;

Erklärung

Frage 183 von 200

1

What does the SAS macro facility include?

Wähle eine der folgenden:

a. the SAS macro compiler
b. the SAS macro processor
c. the SAS macro debugger
d. the SAS macro language
b and d

Erklärung

Frage 184 von 200

1

What is the benefit of using the SAS macro facility?

Wähle eine der folgenden:

The SAS macro facility enables you to reduce the amount of text you must enter in your programs
The SAS macro facility enables you to write programs that are easily modified and customized.
The SAS macro facility enable you to automatically reference system information in your programs.
all of the above

Erklärung

Frage 185 von 200

1

Which statement correctly defines a SAS macro variable?

Wähle eine der folgenden:

A SAS macro variable is a data set variable whose value depends on the observation that is being processed.
A SAS macro variable is independent of a SAS data set and contains a text string. The value of the macro variable remains constant until you change it.

Erklärung

Frage 186 von 200

1

Which program correctly references the automatic macro variable SYSDATE?

Wähle eine der folgenden:

title "June Totals as of &sysdate"; data sales.juntot; set sales.total; if month=6 and year=2008; run;
title "June Totals as of sysdate"; data sales.juntot; set sales.juntot; if month=6 and year=2008; run;

Erklärung

Frage 187 von 200

1

Which of the following statements creates a macro variable named rate that has a value of 23?

Wähle eine der folgenden:

let rate="23";
&let rate=23;
%let rate=23;
%let rate="23";

Erklärung

Frage 188 von 200

1

What is the value of the macro variable rate after this statement is processed?
%let rate=4+3;

Wähle eine der folgenden:

7
4+3
_NULL_

Erklärung

Frage 189 von 200

1

What is the result of including the following line in your program?

options symbolgen;

Wähle eine der folgenden:

Messages about macro variable resolution are listed in the program output.
Messages about macro variable resolution are suppressed in the program output
Messages about macro variable resolution are written to the SAS log.
Messages about macro variable resolution are suppressed in the SAS log.

Erklärung

Frage 190 von 200

1

Which assignment statement sets the value of Day to a text string that contains the day of the week that the current SAS session began?

Wähle eine der folgenden:

Day=sysday;
Day=&sysday;
Day='&sysday';
Day="&sysday";

Erklärung

Frage 191 von 200

1

. When you submit a program that includes references to macro variables, when does SAS replace those references with macro variable values?

Wähle eine der folgenden:

before compilation of the program
during compilation of the program
after compilation but before execution of the program
during execution of the program

Erklärung

Frage 192 von 200

1

Which of the following is NOT a valid name for a user-defined macro variable?

Wähle eine der folgenden:

month
_year
sysver
total_sales

Erklärung

Frage 193 von 200

1

Which of the following lists the steps in the programming process correctly?

Wähle eine der folgenden:

a.
1. Write a SAS program.
2. Debug or modify.
3. Run the program.
4. Review the results.
5. Define the business need.
b.
1. Define the business need.
2. Write a SAS program.
3. Run the program.
4. Review the results.
5. Debug or modify.

Erklärung

Frage 194 von 200

1

Are raw data files created only by SAS?

Wähle eine der folgenden:

Yes
No

Erklärung

Frage 195 von 200

1

Using SAS, you can read many kinds of data.

Wähle eins der folgenden:

WAHR
FALSCH

Erklärung

Frage 196 von 200

1

What does a SAS program file contain?

Wähle eine der folgenden:

SAS programming code
data specific to SAS
an embedded Excel worksheet

Erklärung

Frage 197 von 200

1

Are SAS data sets created only by SAS?

Wähle eine der folgenden:

Yes
No

Erklärung

Frage 198 von 200

1

Can a SAS program be saved and reused?

Wähle eine der folgenden:

Yes
No

Erklärung

Frage 199 von 200

1

How many step boundaries does this program contain?

data work.staff;
length First_Name $ 12
Last_Name $ 18
Job_Title $ 25;
infile "&path/newemployees.csv" dlm=',';
input First_Name $ Last_Name$
Job_Title $ Salary;
run;
proc print data=work.staff;
run;
proc means data=work.staff;
var Salary;
run;

Wähle eine der folgenden:

four
five
six
seven

Erklärung

Frage 200 von 200

1

Which of the following is a SAS syntax requirement?

Wähle eine der folgenden:

Begin each statement in column one.
Put only one statement on each line.
Separate each step with a line space.
End each statement with a semicolon.
Put a RUN statement after every DATA or PROC step.

	Erstellt von Ismael Civicos vor fast 6 Jahre