Stats 124 Final Review

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Frage 1 von 110

See image

Wähle eine der folgenden:

3 Observations, 4 Variables
3 Observations, 3 Variables
4 Observations, 3 Variables
Can't tell because some values are missing

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Frage 2 von 110

How many program steps are executed when the program below is processed?
data user.tables;
infile jobs;
input date name $ job $;
run;
proc sort data = user.tables;
by name;
run;
proc print data = user.tables;
run;

SAS Institute (2011-08-08). SAS Certification Prep Guide: Base Programming for SAS 9, Third Edition (Kindle Locations 13475-13478). SAS Institute/SAS Publishing. Kindle Edition.

Wähle eine der folgenden:

three
four
five
six

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Frage 3 von 110

See Image

Wähle eine der folgenden:

numeric
character
can be either character or numeric
can't tell from the data shown

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Frage 4 von 110

See image

Wähle eine der folgenden:

numeric
character
can be either character or numeric
can't tell from the data shown

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Frage 5 von 110

Which of the following variable names is valid

Wähle eine der folgenden:

4BirthDate
$Cost
_Items_
Tax-Rate

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Frage 6 von 110

Which of the following files is a permanent SAS file?

Wähle eine der folgenden:

Sashelp.PrdSale
Sasuser.MySales
Profits.Quarter1
all the above

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Frage 7 von 110

In a DATA step, how can you reference a temporary SAS data set named Forecast?

Wähle eine der folgenden:

Forecast
Work.Forecast
Sales.Forecast (after assigning the liberef Sales)
A and B

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Frage 8 von 110

See image

Wähle eine der folgenden:

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Frage 9 von 110

How many statements does the following SAS program contain?
proc print data = new.prodsale
label double;
var state day price1 price2; where state =' NC';
label state =' Name of State'; run;

Wähle eine der folgenden:

three
four
five
six

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Frage 10 von 110

What is a SAS library?

Wähle eine der folgenden:

collection of SAS files, such as SAS data sets and catalogs
in some operating environments, a physical collection of SAS files
a group of SAS files in the same folder or directory.
all the above

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Frage 11 von 110

If you submit the following program, how does the output look?
options pagesize = 55 nonumber;
proc tabulate data = clinic.admit;
class actlevel;
var age height weight;
table actlevel, ( age height weight)* mean;
run;
options linesize = 80;
proc means data = clinic.heart min max maxdec = 1;
var arterial heart cardiac urinary;
class survive sex;
run;

Wähle eine der folgenden:

The PROC MEANS output has a print line width of 80 characters, but the PROC TABULATE output has no print line width.
The PROC TABULATE output has no page numbers, but the PROC MEANS output has page numbers
Each page of output from both PROC steps is 55 lines long and has no page numbers, and the PROC MEANS output has a print line width of 80 characters.
The date does not appear on output from either PROC step.

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Frage 12 von 110

How can you create SAS output in HTML format on any SAS platform?

Wähle eine der folgenden:

by specifying system options
by using programming statements
by using SAS windows to specify the result format
you can't create HTML output on all SAS platforms

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Frage 13 von 110

In order for the date values 05May1955 and 04Mar2046 to be read correctly, what value must the YEARCUTOFF = option have?

Wähle eine der folgenden:

A value between 1947 and 1954, inclusive
1955 of higher
1946 or higher
any value

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Frage 14 von 110

When you specify an engine for a library, you always specify

Wähle eine der folgenden:

the file format for files that are stored in the library
the version of SAS you are using
access to other software vendors' files
instructions for creating temporary SAS files

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Frage 15 von 110

Which statement prints a summary of all the files stored in the library named Area51?

Wähle eine der folgenden:

proc contents data=Area51._all_ nods;
proc contents data=Area51 _all_ nods;
proc contents data=Area51 _all_ noobs
proc contents data=Area51 _all_.nods;

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Frage 16 von 110

See image.

Wähle eine der folgenden:

OBS=, DATE, and NONUMBER
NUMBER, PAGENO=1, and DATE
NUMBER and DATE only
none of the above

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Frage 17 von 110

Which of the following programs correctly references a SAS data set named SalesAnalysis that is stored in a permanent SAS library?

Wähle eine der folgenden:

data saleslibrary.salesanalysis;
set mydata.quarter1sales;
if sales > 100000;
run;
data mysales.totals;
set sales_99. salesanalysis;
if totalsales > 50000;
run;
aproc print data = salesanalysis.quarter1;
var sales salesrep month;
run;
proc freq data = 1999data.salesanalysis; t
ables quarter* sales;
run;

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Frage 18 von 110

Which time span is used to interpret two-digit year values if the YEARCUTOFF = option is set to 1950?

Wähle eine der folgenden:

1950-2049
1950-2050
1949-2050
1950-2000

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Frage 19 von 110

Assuming you are using SAS code and not special SAS windows, which one of the following statements is false?

Wähle eine der folgenden:

LIBNAME statements can be stored with a SAS program to reference the SAS library automatically when you submit the program.
When you delete a libref, SAS no longer has access to the files in the library. However, the contents of the library still exist on your operating system.
Librefs can last from one SAS session to another.
You can access files that were created with other vendors' software by submitting a LIBNAME statement.

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Frage 20 von 110

What does the following statement do?
libname osiris spss 'c:\ myfiles\ sasdata\ data.spss';

Wähle eine der folgenden:

defines a library called Spss using the OSIRIS engine
defines a library called Osiris using the SPSS engine
defines two libraries called Osiris and Spss using the default engine
defines the default library using the OSIRIS and SPSS engines

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Frage 21 von 110

As you write and edit SAS programs it's a good idea to

Wähle eine der folgenden:

begin DATA and PROC steps in column one
indent statements within a step
begin RUN statements in column one
all the above

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Frage 22 von 110

Suppose you have submitted a SAS program that contains spelling errors. Which set of steps should you perform, in the order shown, to revise and resubmit the program?

Wähle eine der folgenden:

Correct the errors.
Clear the Log window.
Resubmit the program.
Check the Log window.
Correct the errors.
Resubmit the program.
Check the Output window.
Check the Log window.
Correct the Errors.
Clear the Log window.
Resubmit the program.
Check the Output window.
Correct the errors.
Clear the Output window.
Resubmit the program.
Check the Output window.

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Frage 23 von 110

What happens if you submit the following program?
proc sort data = clinic.stress out = maxrates; by maxhr;
run;
proc print data = maxrates label double noobs;
label rechr =' Recovery Heart Rate;
var resthr maxhr rechr date;
where toler =' I' and resthr > 90;
sum fee;
run;

Wähle eine der folgenden:

Log messages indicate that the program ran successfully
A “PROC SORT running” message appears at the top of the active window, and a log message may indicate an error in a statement that seems to be valid.
A log message indicates that an option is not valid or not recognized.
A “PROC PRINT running” message appears at the top of the active window, and a log message may indicate that a quoted string has become too long or that the statement is ambiguous.

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Frage 24 von 110

What generally happens when a syntax error is detected?

Wähle eine der folgenden:

SAS continues processing the step
SAS continues to process the step, and the Log window displays messages about the error
SAS stops processing the step in which the error occurred and the Log window displays messages about the error
SAS stops processing the step in which the error occurred, and the Output window displays messages about the error.

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Frage 25 von 110

A syntax error occurs when

Wähle eine der folgenden:

Some data values are not appropriate for the SAS statements that are specified in a program.
the form of the elements in a SAS statement is correct, but the elements are not valid for that usage.
program statements do not conform to the rules of the SAS language.
none of the above

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Frage 26 von 110

How can you tell whether you have specified an invalid option in a SAS program?

Wähle eine der folgenden:

A log message indicates an error in a statement that seems to be valid.
A log message indicates that an option is not valid or not recognized.
The message “PROC running” or “DATA step running” appears at the top of the active window.
You can't tell until you view the output from the program.

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Frage 27 von 110

Which of the following programs contains a syntax error?

Wähle eine der folgenden:

proc sort data = sasuser.mysales;
by region;
run;
dat sasuser.mysales;
set mydata.sales99;
run;
proc print data = sasuser.mysales label;
label region =' Sales Region';
run;
none of the above

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Frage 28 von 110

What should you do after submitting the following program in the Windows or UNIX operating environment?
proc print data = mysales;
where state =' NC;
run;

Wähle eine der folgenden:

Submit a RUN statement to complete the PROC step.
Recall the program. Then add a quotation mark and resubmit the corrected program.
Cancel the submitted statements. Then recall the program, add a quotation mark, and resubmit the corrected program
Recall the program. Then replace the invalid option and resubmit the corrected program.

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Frage 29 von 110

Which of the following commands opens a file in the code editing window?

Wähle eine der folgenden:

file 'd:\ programs\ sas\ newprog.sas'
include 'd:\ programs\ sas\ newprog.sas'
open 'd:\ programs\ sas\ newprog.sas'
all of the above

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Frage 30 von 110

Suppose you submit a short, simple DATA step. If the active window displays the message “DATA step running” for a long time, what probably happened?

Wähle eine der folgenden:

You misspelled a keyword
You forgot to end the DATA step with a RUN statement
You specified an invalid data set option
Some data values weren't appropriate for the SAS statements that you specified.

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Frage 31 von 110

See image

Wähle eine der folgenden:

proc print data = flights.laguardia noobs;
var on changed flight;
where on > = 160;
run;
proc print data = flights.laguardia;
var date on changed flight;
where changed > 3;
run;
proc print data = flights.laguardia label;
id date;
var boarded transferred flight;
label boarded =' On' transferred =' Changed';
where flight =' 219';
run;
proc print flights.laguardia noobs;
id date;
var date on changed flight;
where flight =' 219';
run;

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Frage 32 von 110

Which of the following PROC PRINT steps is correct if labels are not stored with the data set?

Wähle eine der folgenden:

proc print data = allsales.totals label;
label region8 =' Region 8 Yearly Totals';
run;
proc print data = allsales.totals;
label region8 =' Region 8 Yearly Totals';
run;
proc print data allsales.totals label noobs;
run;
proc print allsales.totals label;
run;

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Frage 33 von 110

Which of the following statements selects from a data set only those observations for which the value of the variable Style is RANCH, SPLIT, or TWOSTORY?

Wähle eine der folgenden:

where style =' RANCH' or 'SPLIT' or 'TWOSTORY';
where style in 'RANCH' or 'SPLIT' or 'TWOSTORY';
where style in (RANCH, SPLIT, TWOSTORY);
where style in (' RANCH',' SPLIT',' TWOSTORY');

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Frage 34 von 110

If you want to sort your data and create a temporary data set named Calc to store the sorted data, which of the following steps should you submit?

Wähle eine der folgenden:

proc sort data = work.calc out = finance.dividend;
run;
proc sort dividend out = calc;
by account;
run;
proc sort data = finance.dividend out = work.calc;
by account;
run;
proc sort from finance.dividend to calc;
by account;
run;

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Frage 35 von 110

See image.

Wähle eine der folgenden:

the DATE system option and the LABEL option in PROC PRINT
the DATE and NONUMBER system options and the DOUBLE and NOOBS options in PROC PRINT
the DATE and NONUMBER system options and the DOUBLE option in PROC PRINT
the DATE and NONUMBER system options and the NOOBS option in PROC PRINT

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Frage 36 von 110

Which of the following statements can you use in a PROC PRINT step to create this output?

Wähle eine der folgenden:

var month instructors;
sum instructors aerclass walkjogrun swim;
var month;
sum instructors aerclass walkjogrun swim;
var month instructors aerclass;
sum instructors aerclass walkjogrun swim;
all the above

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Frage 37 von 110

What happens if you submit the following program?
proc sort data = clinic.diabetes;
run;
proc print data = clinic.diabetes;
var age height weight pulse;
where sex =' F';
run

Wähle eine der folgenden:

The PROC PRINT step runs successfully, printing observations in their sorted order.
The PROC SORT step permanently sorts the input data set.
The PROC SORT step generates errors and stops processing, but the PROC PRINT step runs successfully, printing observations in their original (unsorted) order.
The PROC SORT step runs successfully, but the PROC PRINT step generates errors and stops processing.

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Frage 38 von 110

If you submit the following program, which output does it create?
proc sort data = finance.loans out = work.loans;
by months amount;
run;
proc print data = work.loans noobs;
var months;
sum amount payment;
where months < 360;
run;

Wähle eine der folgenden:

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Frage 39 von 110

Choose the statement below that selects rows in which
the amount is less than or equal to $ 5000
the account is 101-1092 or the rate equals 0.095.

Wähle eine der folgenden:

where amount < = 5000 and account =' 101-1092' or rate = 0.095;
where (amount le 5000 and account =' 101-1092') or rate = 0.095;
where amount < = 5000 and (account =' 101-1092' or rate eq 0.095);
where amount < = 5000 or account =' 101-1092' and rate = 0.095;

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Frage 40 von 110

What does PROC PRINT display by default?

Wähle eine der folgenden:

PROC PRINT does not create a default report; you must specify the rows and columns to be displayed.
PROC PRINT displays all observations and variables in the data set. If you want an additional column for observation numbers, you can request it.
PROC PRINT displays columns in the following order: a column for observation numbers, all character variables, and all numeric variables.
PROC PRINT displays all observations and variables in the data set, a column for observation numbers on the far left, and variables in the order in which they occur in the data set.

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Frage 41 von 110

Which SAS statement associates the fileref Crime with the raw data file C:\ States\ Data\Crime.dat?

Wähle eine der folgenden:

filename crime 'c:\ states\ data\ crime.dat';
filename crime c:\ states\ data\ crime.dat;
fileref crime 'c:\ states\ data\ crime.dat';
filename 'c:\ states\ data\ crime' crime.dat;

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Frage 42 von 110

Filerefs remain in effect until . . .

Wähle eine der folgenden:

You change them
You cancel them
you end your SAS session
all the above

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Frage 43 von 110

Which statement identifies a raw data file to be read with the fileref Products and specifies that the DATA step read only records 1-15?

Wähle eine der folgenden:

infile products obs 15;
infile products obs = 15;
input products obs = 15;
input products 1-15;

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Frage 44 von 110

Which of the following programs correctly writes the observations from the data set below to a raw data file?

Wähle eine der folgenden:

data _null_;
set work.patients;
infile 'c:\ clinic\ patients\ referals.dat';
input id 1-4 sex 6 age 8-9 height 11-12 weight 14-16 pulse 18-20;
run;
data referals.dat;
set work.patients;
input id 1-4 sex 6 age 8-9 height 11-12 weight 14-16 pulse 18-20;
run;
data _null_;
set work.patients;
file c:\ clinic\ patients\ referals.dat;
put id 1-4 sex 6 age 8-9 height 11-12 weight 14-16 pulse 18-20;
run;
data _null_;
set work.patients;
file 'c:\ clinic\ patients\ referals.dat';
put id 1-4 sex 6 age 8-9 height 11-12 weight 14-16 pulse 18-20;
run;

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Frage 45 von 110

Which raw data file can be read using column input?

Wähle eine der folgenden:

a
b
c
all the above

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Frage 46 von 110

See image

Wähle eine der folgenden:

data work.salesrep;
infile empdata;
input ID $ 1-4 LastName $ 6-12 FirstName $ 14-18 City $ 20-29;
run;
proc print data = work.salesrep;
run;
data work.salesrep;
infile empdata;
input ID $ 1-4 Name $ 6-12 FirstName $ 14-18 City $ 20-29;
run;
proc print data = work.salesrep;
run;
data work.salesrep;
infile empdata;
input ID $ 1-4 name1 $ 6-12 name2 $ 14-18 City $ 20-29;
run;
proc print data = work.salesrep;
run;
All the above

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Frage 47 von 110

See image

Wähle eine der folgenden:

input StockNumber $ 1-3 Finish $ 5-9 Style $ 11-18 Item $ 20-24 Price 27-32;
input StockNumber $ 1-3 Price 27-32 Item $ 20-24 Finish $ 5-9 Style $ 11-18;
input $ StockNumber 1-3 Price 27-32 $ Item 20-24 $ Finish 5-9 $ Style 11-18;
input StockNumber $ 1-3 Price $ 27-32 Item $ 20-24 Finish $ 5-9 Style $ 11-18;

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Frage 48 von 110

Which statement correctly re-defines the values of the variable Income as 100 percent higher?

Wähle eine der folgenden:

income = income* 1.00;
income = income +( income* 2.00);
income = income* 2;
income =* 2;

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Frage 49 von 110

Which program correctly reads instream data?

Wähle eine der folgenden:

data finance.newloan;
input datalines;
if country =' JAPAN';
MonthAvg = amount/ 12;
1998 US CARS 194324.12
1998 US TRUCKS 142290.30
1998 CANADA CARS 10483.44
1998 CANADA TRUCKS 93543.64
1998 MEXICO CARS 22500.57
1998 MEXICO TRUCKS 10098.88
1998 JAPAN CARS 15066.43
1998 JAPAN TRUCKS 40700.34
;
data finance.newloan;
input Year 1-4 Country $ 6-11 Vehicle $ 13-18 Amount 20-28;
if country =' JAPAN';
MonthAvg = amount/ 12;
datalines;
run;
data finance.newloan;
input Year 1-4 Country 6-11 Vehicle 13-18 Amount 20-28;
if country =' JAPAN';
MonthAvg = amount/ 12;
datalines;
1998 US CARS 194324.12
1998 US TRUCKS 142290.30
1998 CANADA CARS 10483.44
1998 CANADA TRUCKS 93543.64
1998 MEXICO CARS 22500.57
1998 MEXICO TRUCKS 10098.88
1998 JAPAN CARS 15066.43
1998 JAPAN TRUCKS 40700.34
;
data finance.newloan;
input Year 1-4 Country $ 6-11 Vehicle $ 13-18 Amount 20-28;
if country =' JAPAN';
MonthAvg = amount/ 12;
datalines;
1998 US CARS 194324.12
1998 US TRUCKS 142290.30
1998 CANADA CARS 10483.44
1998 CANADA TRUCKS 93543.64
1998 MEXICO CARS 22500.57
1998 MEXICO TRUCKS 10098.88
1998 JAPAN CARS 15066.43
1998 JAPAN TRUCKS 40700.34
;

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Frage 50 von 110

Which SAS statement subsets the raw data shown below so that only the observations in which Sex (in the second field) has a value of F are processed?

Wähle eine der folgenden:

if sex = f;
if sex = F;
if sex =' F';
a or b

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Frage 51 von 110

Which of the following is not created during the compilation phase?

Wähle eine der folgenden:

a. the data set descriptor
b. the first observation
c. the program data vector
d. the _N_and_ERROR_ automatic variables

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Frage 52 von 110

During the compilation phase, SAS scans each statement in the DATA step, looking for syntax errors. Which of the following is not considered a syntax error?

Wähle eine der folgenden:

a. incorrect values and formats
b. invalid options or variable names
c. missing or invalid punctuation
d. missing or misspelled keywords

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Frage 53 von 110

Unless otherwise directed, the DATA step executes...

Wähle eine der folgenden:

a. once for each compilation phase.
b. once for each DATA step statement
c. once for each record in the input file
d. once for each variable in the input file

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Frage 54 von 110

At the beginning of the execution phase, the value of _N_ is 1, the value of _ERROR_ is 0, and the values of the remaining variables are set to:

Wähle eine der folgenden:

a. 0
b. 1
c. undefined
d. missing

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Frage 55 von 110

Suppose you run a program that causes three DATA errors. What is the value of the automatic variable _ERROR_ when the observation that contains the third error is processed?

Wähle eine der folgenden:

a. 0
b. 1
c. 2
d. 3

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Frage 56 von 110

Which of the following actions occurs at the beginning of an iteration of the DATA step?

Wähle eine der folgenden:

a. The automatic variables _N_ and _ERROR_ are incremented by one.
b. The DATA step stops execution.
c. The descriptor portion of the data set is written.
d. The values of variables created in programming statements are re-set to missing in the program data vector.

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Frage 57 von 110

Based on the DATA step shown below, in what order will the variables be stored in the new data set?
data perm.update;
infile invent;
input IDnum $ Item $ 1-13 Instock 21-22 BackOrd 24-25;
Total = instock + backord;
run;

Wähle eine der folgenden:

a. IDnum Item InStock BackOrd Total
b. Item IDnum InStock BackOrd Total
c. Total IDnum Item InStock BackOrd
d. Total Item IDnum InStock BackOrd

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Frage 58 von 110

If SAS detects syntax errors, then...

Wähle eine der folgenden:

a. data set variables will contain missing values.
b. the DATA step does not compile.
c. the DATA step still compiles, but it does not execute.
d. the DATA step still compiles and executes.

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Frage 59 von 110

What is wrong with this program?
data perm.update;
infile invent
input Item $ 1-13 IDnum $ 15-19 Instock 21-22
BackOrd 24-25;
total = instock + backord;
run;

Wähle eine der folgenden:

a. missing semicolon on second line
b. missing semicolon on third line
c. incorrect order of variables
d. incorrect variable type

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Frage 60 von 110

See image

Wähle eine der folgenden:

a. A keyword was misspelled in the DATA step.
b. A semicolon was missing from the INFILE statement.
c. A variable was misspelled in the INPUT statement.
d. A dollar sign was missing in the INPUT statement.

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Frage 61 von 110

If you don't specify the LIBRARY = option on the PROC FORMAT statement, your formats are stored in Work.Formats, and they exist ...

Wähle eine der folgenden:

a. only for the current procedure.
b. only for the current DATA step.
c. only for the current SAS session.
d. permanently.

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Frage 62 von 110

Which of the following statements will store your formats in a permanent catalog?

Wähle eine der folgenden:

a. libname library 'c:\ sas\ formats\ lib';
proc format lib = library ...;
b. libname library 'c:\ sas\ formats\ lib';
format lib = library ...;
c. library =' c:\ sas\ formats\ lib';
proc format library ...;
d. library =' c:\ sas\ formats\ lib';
proc library ...;

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Frage 63 von 110

When creating a format with the VALUE statement, the new format's name
-cannot end with a number
-cannot end with a period
-cannot be the name of a SAS format, and...

Wähle eine der folgenden:

a. cannot be the name of a data set variable.
b. must be at least two characters long.
c. must be at least eight characters long.
d. must begin with a dollar sign ($) if used with a character variable.

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Frage 64 von 110

Which of the following FORMAT procedures is written correctly?

Wähle eine der folgenden:

a. proc format lib = library value colorfmt; 1 =' Red' 2 =' Green' 3 =' Blue' run;
b. proc format lib = library; value colorfmt 1 =' Red' 2 =' Green' 3 =' Blue'; run;
c. proc format lib = library; value colorfmt; 1 =' Red' 2 =' Green' 3 =' Blue' run;
d. proc format lib = library; value colorfmt 1 =' Red'; 2 =' Green'; 3 =' Blue'; run;

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Frage 65 von 110

Which of these is false? Ranges in the VALUE statement can specify...

Wähle eine der folgenden:

a. a single value, such as 24 or 'S'.
b. a range of numeric values, such as 0-1500.
c. a range of character values, such as 'A'-' M'.
d. a list of numeric and character values separated by commas, such as 90,' B', 180,' D', 270.

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Frage 66 von 110

How many characters can be used in a label?

Wähle eine der folgenden:

a. 40
b. 96
c. 200
d. 256

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Frage 67 von 110

Which keyword can be used to label missing numeric values as well as any values that are not specified in a range?

Wähle eine der folgenden:

a. LOW
b. MISS
c. MISSING
d. OTHER

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Frage 68 von 110

You can place the FORMAT statement in either a DATA step or a PROC step. What happens when you place it in a DATA step?

Wähle eine der folgenden:

a. You temporarily associate the formats with variables.
b. You permanently associate the formats with variables.
c. You replace the original data with the format labels.
d. You make the formats available to other data sets.

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Frage 69 von 110

The format JOBFMT was created in a FORMAT procedure. Which FORMAT statement will apply it to the variable JobTitle in the program output?

Wähle eine der folgenden:

a. format jobtitle jobfmt;
b. format jobtitle jobfmt.;
c. format jobtitle = jobfmt;
d. format jobtitle =' jobfmt';

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Frage 70 von 110

Which keyword, when added to the PROC FORMAT statement, will display all the formats in your catalog?

Wähle eine der folgenden:

a. CATALOG
b. LISTFMT
c. FMTCAT
d. FMTLIB

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Frage 71 von 110

The default statistics produced by the MEANS procedure are n, mean, minimum, maximum, and...

Wähle eine der folgenden:

a. median
b. range
c. standard deviation
d. standard error of the mean.

Erklärung

Frage 72 von 110

Which statement will limit a PROC MEANS analysis to the variables Boarded, Transfer, and Deplane?

Wähle eine der folgenden:

a. by boarded transfer deplane;
b. class boarded transfer deplane;
c. output boarded transfer deplane;
d. var boarded transfer deplane;

Erklärung

Frage 73 von 110

The data set Survey.Health includes the following variables. Which is a poor candidate for PROC MEANS analysis?

Wähle eine der folgenden:

a. IDnum
b. Age
c. Height
d. Weight

Erklärung

Frage 74 von 110

Which of the following statements is true regarding BY group processing?

Wähle eine der folgenden:

a. BY variables must be either indexed or sorted.
b. Summary statistics are computed for BY variables.
c. BY group processing is preferred when you are categorizing data that contains few variables.
d. BY group processing overwrites your data set with the newly grouped observations.

Erklärung

Frage 75 von 110

Which group processing statement produced the PROC MEANS output shown below?

Wähle eine der folgenden:

a. class sex survive;
b. class survive sex;
c. by sex survive;
d. by survive sex;

Erklärung

Frage 76 von 110

Which program can be used to create the following output?

Wähle eine der folgenden:

a. proc means data = clinic.diabetes; var age height weight; class sex; output out = work.sum_gender mean = AvgAge AvgHeight AvgWeight; run;
b. proc summary data = clinic.diabetes print; var age height weight; class sex; output out = work.sum_gender mean = AvgAge AvgHeight AvgWeight; run;
c. proc means data = clinic.diabetes noprint; var age height weight; class sex; output out = work.sum_gender mean = AvgAge AvgHeight AvgWeight; run;
d. Both a and b.

Erklärung

Frage 77 von 110

By default, PROC FREQ creates a table of frequencies and percentages for which data set variables?

Wähle eine der folgenden:

a. character variables
b. numeric variables
c. both character and numeric variables
d. none: variables must always be specified

Erklärung

Frage 78 von 110

Frequency distributions work best with variables that contain

Wähle eine der folgenden:

a. continuous values.
b. numeric values.
c. categorical values.
d. unique values.

Erklärung

Frage 79 von 110

Which PROC FREQ step produced this two-way table?

Wähle eine der folgenden:

a. proc freq data = clinic.diabetes; tables height weight;format height htfmt. weight wtfmt.; run;
b. proc freq data = clinic.diabetes; tables weight height; format weight wtfmt. height htfmt.; run;
c. proc freq data = clinic.diabetes; tables height* weight; format height htfmt. weight wtfmt.; run;
d. proc freq data = clinic.diabetes; tables weight* height; format weight wtfmt. height htfmt.; run;

Erklärung

Frage 80 von 110

Which PROC FREQ step produced this table?

Wähle eine der folgenden:

a. proc freq data = clinic.diabetes; tables sex weight / list; format weight wtfmt.; run;
b. proc freq data = clinic.diabetes; tables sex* weight / nocol; format weight wtfmt.; run;
c. proc freq data = clinic.diabetes; tables sex weight / norow nocol; format weight wtfmt.; run;
d. proc freq data = clinic.diabetes; tables sex* weight / nofreq norow nocol; format weight wtfmt.; run;

Erklärung

Frage 81 von 110

Using ODS statements, how many types of output can you generate at once?

Wähle eine der folgenden:

a. 1 (only HTML output)
b. 2
c. 3
d. as many as you want

Erklärung

Frage 82 von 110

If ODS is set to its default settings in the SAS windowing environment for Microsoft Windows and UNIX, , what types of output are created by the code below?
ods html file =' c:\ myhtml.htm';
ods pdf file =' c:\ mypdf.pdf';

Wähle eine der folgenden:

a. HTML and PDF
b. PDF only
c. HTML, PDF, and listing
d. No output is created because ODS is closed by default.

Erklärung

Frage 83 von 110

In the SAS windowing environment for Microsoft Windows and UNIX, what is the purpose of closing the HTML destination in the code shown below?
ods html close;
ods rtf ... ;

Wähle eine der folgenden:

a. It conserves system resources.
b. It simplifies your program.
c. It makes your program compatible with other hardware platforms.
d. It makes your program compatible with previous versions of SAS.

Erklärung

Frage 84 von 110

When the code shown below is run, what will the file D:\ Output\ body.html contain?
ods html body =' d:\ output\ body.html';
proc print data = work.alpha;
run;
proc print data = work.beta;
run;
ods html close;

Wähle eine der folgenden:

a. The PROC PRINT output for Work.Alpha.
b. The PROC PRINT output for Work.Beta.
c. The PROC PRINT output for both Work.Alpha and Work.Beta.
d. Nothing. No output will be written to D:\ Output\body.html.

Erklärung

Frage 85 von 110

When the code shown below is run, what file will be referenced by the links in D:\ Output\contents.html?
ods html body =' d:\ output\ body.html'
contents =' d:\ output\ contents.html'
frame =' d:\ output\ frame.html';

Wähle eine der folgenden:

a. D:\ Output\ body.html
b. D:\ Output\ contents.html
c. D:\ Output\ frame.html
d. There are no links from the file D:\ Output\contents.html.

Erklärung

Frage 86 von 110

The table of contents created by the CONTENTS = option contains a numbered heading for

Wähle eine der folgenden:

a. each procedure
b. each procedure that creates output.
c. each procedure and DATA step.
d. each HTML file created by your program.

Erklärung

Frage 87 von 110

When the code shown below is run, what will the file D:\ Output\ frame.html display?
ods html body =' d:\ output\ body.html'
contents =' d:\ output\ contents.html'
frame =' d:\ output\ frame.html';

Wähle eine der folgenden:

a. The file D:\ Output\contents.html.
b. The file D:\ Output\frame.html.
c. The files D:\ Output\ contents.html and D:\ Output\body.html.
d. It displays no other files.

Erklärung

Frage 88 von 110

What is the purpose of the URL = suboptions shown below?
ods html body =' d:\ output\ body.html' (url =' body.html')
contents =' d:\ output\ contents.html'
(url =' contents.html')
frame =' d:\ output\ frame.html';

Wähle eine der folgenden:

a. To create absolute link addresses for loading the files from a server.
b. To create relative link addresses for loading the files from a server.
c. To allow HTML files to be loaded from a local drive.
d. To send HTML output to two locations.

Erklärung

Frage 89 von 110

Which ODS HTML option was used in creating the following table?

Wähle eine der folgenden:

a. format = brown
b. format =' brown'
c. style = brown
d. style =' brown'

Erklärung

Frage 90 von 110

What is the purpose of the PATH = option?
ods html path =' d:\ output' (url = none)
body =' body.html'
contents =' contents.html'
frame =' frame.html';

Wähle eine der folgenden:

a. It creates absolute link addresses for loading HTML files from a server.
b. It creates relative link addresses for loading HTML files from a server.
c. It allows HTML files to be loaded from a local drive.
d. It specifies the location of HTML file output.

Erklärung

Frage 91 von 110

Which program creates the output shown below?

Wähle eine der folgenden:

a. data test2; infile furnture; input StockNum $ 1-3 Finish $ 5-9 Style $ 11-18 Item $ 20-24 Price 26-31; if finish =' oak' then delete; retain TotPrice 100; totalprice + price; drop price; run; proc print data = test2 noobs; run;
b. data test2; infile furnture; input StockNum $ 1-3 Finish $ 5-9 Style $ 11-18 Item $ 20-24 Price 26-31; if finish =' oak' and price < 200 then delete; TotalPrice + price; run; proc print data = test2 noobs; run;
c. data test2( drop = price); infile furnture; input StockNum $ 1-3 Finish $ 5-9 Style $ 11-18 Item $ 20-24 Price 26-31; if finish =' oak' and price < 200 then delete; TotalPrice + price; run; proc print data = test2 noobs; run;
d. data test2; infile furnture; input StockNum $ 1-3 Finish $ 5-9 Style $ 11-18 Item $ 20-24 Price 26-31; if finish = oak and price < 200 then delete price; TotalPrice + price; run; proc print data = test2 noobs; run;

Erklärung

Frage 92 von 110

How is the variable Amount labeled and formatted in the PROC PRINT output? data credit; infile creddata; input Account $ 1-5 Name $ 7-25 Type $ 27 Transact $ 29-35 Amount 37-50; label amount =' Amount of Loan'; format amount dollar12.2; run; proc print data = credit label; label amount =' Total Amount Loaned'; format amount comma10.; run;

Wähle eine der folgenden:

a. label Amount of Loan, format DOLLAR12.2
b. label Total Amount Loaned, format COMMA10.
c. label Amount, default format
d. The PROC PRINT step does not execute because two labels and two formats are assigned to the same variable.

Erklärung

Frage 93 von 110

Consider the IF-THEN statement shown below. When the statement is executed, which expression is evaluated first?
if finlexam > = 95 and (research =' A' or (project =' A' and present =' A')) then Grade =' A +';

Wähle eine der folgenden:

a. finlexam > = 95
b. research =' A'
c. project =' A' and present =' A'
d. research =' A' or (project =' A' and present =' A')

Erklärung

Frage 94 von 110

Consider the small raw data file and program shown below. What is the value of Count after the fourth record is processed?
data work.newnums; infile numbers; input Tens 2-3; Count + tens; run;

Wähle eine der folgenden:

a. missing
b. 0
c. 30
d. 70

Erklärung

Frage 95 von 110

Now consider the revised program below. What is the value of Count after the third observation is read?
data work.newnums; infile numbers; input Tens 2-3; retain Count 100; count + tens; run;

Wähle eine der folgenden:

a. missing
b. 0
c. 100
d. 130

Erklärung

Frage 96 von 110

For the observation shown below, what is the result of the IF-THEN statements?
if status =' OK' and type = 3 then Count + 1;
if status =' S' or action =' E' then Control =' Stop';

Wähle eine der folgenden:

a. Count = 12 Control = Go
b. Count = 13 Control = Stop
c. Count = 12 Control = Stop
d. Count = 13 Control = Go

Erklärung

Frage 97 von 110

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

Wähle eine der folgenden:

a. the length of the variable's first reference in the DATA step
b. the assignment statement
c. the LENGTH statement
d. all of the above

Erklärung

Frage 98 von 110

Which set of statements is equivalent to the code shown below?
if code =' 1' then Type =' Fixed';
if code =' 2' then Type =' Variable';
if code ^ =' 1' and code ^ =' 2' then Type =' Unknown';

Wähle eine der folgenden:

a. if code =' 1' then Type =' Fixed'; else if code =' 2' then Type =' Variable'; else Type =' Unknown';
b. if code =' 1' then Type =' Fixed'; if code =' 2' then Type =' Variable'; else Type =' Unknown';
c. if code =' 1' then type =' Fixed'; else code =' 2' and type =' Variable'; else type =' Unknown';
d. if code =' 1' and type =' Fixed'; then code =' 2' and type =' Variable'; else type =' Unknown';

Erklärung

Frage 99 von 110

What is the length of the variable Type, as created in the DATA step below?
data finance.newloan; set finance.records; TotLoan + payment; if code =' 1' then Type =' Fixed'; else Type =' Variable'; length type $ 10; run;

Wähle eine der folgenden:

a. 5
b. 8
c. 10
d. It depends on the first value of Type

Erklärung

Frage 100 von 110

Which program contains an error?

Wähle eine der folgenden:

a. data clinic.stress( drop = timemin timesec); infile tests; input ID $ 1-4 Name $ 6-25 RestHR 27-29 MaxHR 31-33 RecHR 35-37 TimeMin 39-40 TimeSec 42-43 Tolerance $ 45; TotalTime =( timemin* 60) + timesec; SumSec + totaltime; run;
b. proc print data = clinic.stress; label totaltime =' Total Duration of Test'; format timemin 5.2; drop sumsec; run;
c. proc print data = clinic.stress( keep = totaltime timemin); label totaltime =' Total Duration of Test'; format timemin 5.2; run;
d. data clinic.stress; infile tests; input ID $ 1-4 Name $ 6-25 RestHR 27-29 MaxHR 31-33 RecHR 35-37 TimeMin 39-40 TimeSec 42-43 Tolerance $ 45; TotalTime =( timemin* 60) + timesec; keep id totaltime tolerance; run;

Erklärung

Frage 101 von 110

If you submit the following program, which variables appear in the new data set?
data work.cardiac( drop = age group); set clinic.fitness( keep = age weight group); if group = 2 and age > 40; run;

Wähle eine der folgenden:

a. none
b. Weight
c. Age, Group
d. Age, Weight, Group

Erklärung

Frage 102 von 110

Which of the following programs correctly reads the data set Orders and creates the data set FastOrdr?

Wähle eine der folgenden:

a. data catalog.fastordr( drop = ordrtime); set july.orders( keep = product units price); if ordrtime < 4; Total = units* price; run;
b. data catalog.orders( drop = ordrtime); set july.fastordr( keep = product units price); if ordrtime < 4; Total = units* price; run;
c. data catalog.fastordr( drop = ordrtime); set july.orders( keep = product units price ordrtime); if ordrtime < 4; Total = units* price; run;
d. None of the above

Erklärung

Frage 103 von 110

Which of the following statements is false about BY-group processing?
When you use the BY statement with the SET statement:

Wähle eine der folgenden:

a. The data sets listed in the SET statement must be indexed or sorted by the values of the BY variable( s).
b. The DATA step automatically creates two variables, FIRST. and LAST., for each variable in the BY statement.
c. FIRST. and LAST. identify the first and last observation in each BY group, respectively.
d. FIRST. and LAST. are stored in the data set.

Erklärung

Frage 104 von 110

There are 500 observations in the data set Usa. What is the result of submitting the following program?
data work.getobs5; obsnum = 5; set company.usa( keep = manager payroll) point = obsnum; stop; run;

Wähle eine der folgenden:

a. an error
b. an empty data set
c. continuous loop
d. a data set that contains one observation

Erklärung

Frage 105 von 110

There is no end-of-file condition when you use direct access to read data, so how can your program prevent a continuous loop?

Wähle eine der folgenden:

a. Do not use a POINT = variable.
b. Check for an invalid value of the POINT = variable.
c. Do not use an END = variable.
d. Include an OUTPUT statement.

Erklärung

Frage 106 von 110

Assuming that the data set Company.USA has five or more observations, what is the result of submitting the following program?
data work.getobs5; obsnum = 5; set company.usa( keep = manager payroll) point = obsnum; output; stop; run;

Wähle eine der folgenden:

a. an error
b. an empty data set
c. a continuous loop
d. a data set that contains one observation

Erklärung

Frage 107 von 110

Which of the following statements is true regarding direct access of data sets?

Wähle eine der folgenden:

a. You cannot specify END = with POINT =.
b. You cannot specify OUTPUT with POINT =.
c. You cannot specify STOP with END =.
d. You cannot specify FIRST. with LAST.

Erklärung

Frage 108 von 110

What is the result of submitting the following program?
data work.addtoend;
set clinic.stress2 end = last;
if last;
run;

Wähle eine der folgenden:

a. an error
b. an empty data set
c. a continuous loop
d. a data set that contains one observation

Erklärung

Frage 109 von 110

At the start of DATA step processing, during the compilation phase, variables are created in the program data vector (PDV), and observations are set to:

Wähle eine der folgenden:

a. blank
b. missing
c. 0
d. there are no observations.

Erklärung

Frage 110 von 110

The DATA step executes:

Wähle eine der folgenden:

a. continuously if you use the POINT = option and the STOP statement.
b. once for each variable in the output data set.
c. once for each observation in the input data set.
d. until it encounters an OUTPUT statement.

Erklärung

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	Erstellt von James Blair vor etwa 10 Jahre

SAS Basic Programming Multiple Choice

Stats 124 Final Review

Frage 1 von 110

See image

Wähle eine der folgenden:

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Frage 2 von 110

Wähle eine der folgenden:

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Frage 3 von 110

See Image

Wähle eine der folgenden:

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Frage 4 von 110

See image

Wähle eine der folgenden:

Erklärung

Frage 5 von 110

Which of the following variable names is valid

Wähle eine der folgenden:

Erklärung

Frage 6 von 110

Which of the following files is a permanent SAS file?

Wähle eine der folgenden:

Erklärung

Frage 7 von 110

In a DATA step, how can you reference a temporary SAS data set named Forecast?

Wähle eine der folgenden:

Erklärung

Frage 8 von 110

See image

Wähle eine der folgenden:

Erklärung

Frage 9 von 110

How many statements does the following SAS program contain? proc print data = new.prodsale label double; var state day price1 price2; where state =' NC'; label state =' Name of State'; run;

Wähle eine der folgenden:

Erklärung

Frage 10 von 110

What is a SAS library?

Wähle eine der folgenden:

Erklärung

Frage 11 von 110

Wähle eine der folgenden:

Erklärung

Frage 12 von 110

How can you create SAS output in HTML format on any SAS platform?

Wähle eine der folgenden:

Erklärung

Frage 13 von 110

In order for the date values 05May1955 and 04Mar2046 to be read correctly, what value must the YEARCUTOFF = option have?

Wähle eine der folgenden:

Erklärung

Frage 14 von 110

When you specify an engine for a library, you always specify

Wähle eine der folgenden:

Erklärung

Frage 15 von 110

Which statement prints a summary of all the files stored in the library named Area51?

Wähle eine der folgenden:

Erklärung

Frage 16 von 110

See image.

Wähle eine der folgenden:

Erklärung

Frage 17 von 110

Which of the following programs correctly references a SAS data set named SalesAnalysis that is stored in a permanent SAS library?

Wähle eine der folgenden:

Erklärung

Frage 18 von 110

Which time span is used to interpret two-digit year values if the YEARCUTOFF = option is set to 1950?

Wähle eine der folgenden:

Erklärung

Frage 19 von 110

Assuming you are using SAS code and not special SAS windows, which one of the following statements is false?

Wähle eine der folgenden:

Erklärung

Frage 20 von 110

What does the following statement do? libname osiris spss 'c:\ myfiles\ sasdata\ data.spss';

Wähle eine der folgenden:

Erklärung

How many statements does the following SAS program contain?
proc print data = new.prodsale
label double;
var state day price1 price2; where state =' NC';
label state =' Name of State'; run;

What does the following statement do?
libname osiris spss 'c:\ myfiles\ sasdata\ data.spss';

What happens if you submit the following program?
proc sort data = clinic.stress out = maxrates; by maxhr;
run;
proc print data = maxrates label double noobs;
label rechr =' Recovery Heart Rate;
var resthr maxhr rechr date;
where toler =' I' and resthr > 90;
sum fee;
run;

What should you do after submitting the following program in the Windows or UNIX operating environment?
proc print data = mysales;
where state =' NC;
run;

What happens if you submit the following program?
proc sort data = clinic.diabetes;
run;
proc print data = clinic.diabetes;
var age height weight pulse;
where sex =' F';
run