Stats 124 Final Review

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Questão 1 de 110

See image

Selecione uma das seguintes:

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

Explicação

Questão 2 de 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.

Selecione uma das seguintes:

three
four
five
six

Explicação

Questão 3 de 110

See Image

Selecione uma das seguintes:

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

Explicação

Questão 4 de 110

See image

Selecione uma das seguintes:

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

Explicação

Questão 5 de 110

Which of the following variable names is valid

Selecione uma das seguintes:

4BirthDate
$Cost
_Items_
Tax-Rate

Explicação

Questão 6 de 110

Which of the following files is a permanent SAS file?

Selecione uma das seguintes:

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

Explicação

Questão 7 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 8 de 110

See image

Selecione uma das seguintes:

Explicação

Questão 9 de 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;

Selecione uma das seguintes:

three
four
five
six

Explicação

Questão 10 de 110

What is a SAS library?

Selecione uma das seguintes:

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

Explicação

Questão 11 de 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;

Selecione uma das seguintes:

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.

Explicação

Questão 12 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 13 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 14 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 15 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 16 de 110

See image.

Selecione uma das seguintes:

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

Explicação

Questão 17 de 110

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

Selecione uma das seguintes:

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;

Explicação

Questão 18 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 19 de 110

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

Selecione uma das seguintes:

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.

Explicação

Questão 20 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 21 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 22 de 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?

Selecione uma das seguintes:

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.

Explicação

Questão 23 de 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;

Selecione uma das seguintes:

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.

Explicação

Questão 24 de 110

What generally happens when a syntax error is detected?

Selecione uma das seguintes:

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.

Explicação

Questão 25 de 110

A syntax error occurs when

Selecione uma das seguintes:

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

Explicação

Questão 26 de 110

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

Selecione uma das seguintes:

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.

Explicação

Questão 27 de 110

Which of the following programs contains a syntax error?

Selecione uma das seguintes:

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

Explicação

Questão 28 de 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;

Selecione uma das seguintes:

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.

Explicação

Questão 29 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 30 de 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?

Selecione uma das seguintes:

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.

Explicação

Questão 31 de 110

See image

Selecione uma das seguintes:

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;

Explicação

Questão 32 de 110

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

Selecione uma das seguintes:

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;

Explicação

Questão 33 de 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?

Selecione uma das seguintes:

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');

Explicação

Questão 34 de 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?

Selecione uma das seguintes:

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;

Explicação

Questão 35 de 110

See image.

Selecione uma das seguintes:

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

Explicação

Questão 36 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 37 de 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

Selecione uma das seguintes:

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.

Explicação

Questão 38 de 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;

Selecione uma das seguintes:

Explicação

Questão 39 de 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.

Selecione uma das seguintes:

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;

Explicação

Questão 40 de 110

What does PROC PRINT display by default?

Selecione uma das seguintes:

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.

Explicação

Questão 41 de 110

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

Selecione uma das seguintes:

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;

Explicação

Questão 42 de 110

Filerefs remain in effect until . . .

Selecione uma das seguintes:

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

Explicação

Questão 43 de 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?

Selecione uma das seguintes:

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

Explicação

Questão 44 de 110

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

Selecione uma das seguintes:

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;

Explicação

Questão 45 de 110

Which raw data file can be read using column input?

Selecione uma das seguintes:

a
b
c
all the above

Explicação

Questão 46 de 110

See image

Selecione uma das seguintes:

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

Explicação

Questão 47 de 110

See image

Selecione uma das seguintes:

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;

Explicação

Questão 48 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 49 de 110

Which program correctly reads instream data?

Selecione uma das seguintes:

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
;

Explicação

Questão 50 de 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?

Selecione uma das seguintes:

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

Explicação

Questão 51 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 52 de 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?

Selecione uma das seguintes:

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

Explicação

Questão 53 de 110

Unless otherwise directed, the DATA step executes...

Selecione uma das seguintes:

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

Explicação

Questão 54 de 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:

Selecione uma das seguintes:

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

Explicação

Questão 55 de 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?

Selecione uma das seguintes:

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

Explicação

Questão 56 de 110

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

Selecione uma das seguintes:

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.

Explicação

Questão 57 de 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;

Selecione uma das seguintes:

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

Explicação

Questão 58 de 110

If SAS detects syntax errors, then...

Selecione uma das seguintes:

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.

Explicação

Questão 59 de 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;

Selecione uma das seguintes:

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

Explicação

Questão 60 de 110

See image

Selecione uma das seguintes:

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.

Explicação

Questão 61 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 62 de 110

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

Selecione uma das seguintes:

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 ...;

Explicação

Questão 63 de 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...

Selecione uma das seguintes:

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.

Explicação

Questão 64 de 110

Which of the following FORMAT procedures is written correctly?

Selecione uma das seguintes:

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;

Explicação

Questão 65 de 110

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

Selecione uma das seguintes:

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.

Explicação

Questão 66 de 110

How many characters can be used in a label?

Selecione uma das seguintes:

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

Explicação

Questão 67 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 68 de 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?

Selecione uma das seguintes:

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.

Explicação

Questão 69 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 70 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 71 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 72 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 73 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 74 de 110

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

Selecione uma das seguintes:

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.

Explicação

Questão 75 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 76 de 110

Which program can be used to create the following output?

Selecione uma das seguintes:

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.

Explicação

Questão 77 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 78 de 110

Frequency distributions work best with variables that contain

Selecione uma das seguintes:

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

Explicação

Questão 79 de 110

Which PROC FREQ step produced this two-way table?

Selecione uma das seguintes:

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;

Explicação

Questão 80 de 110

Which PROC FREQ step produced this table?

Selecione uma das seguintes:

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;

Explicação

Questão 81 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 82 de 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';

Selecione uma das seguintes:

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

Explicação

Questão 83 de 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 ... ;

Selecione uma das seguintes:

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.

Explicação

Questão 84 de 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;

Selecione uma das seguintes:

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.

Explicação

Questão 85 de 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';

Selecione uma das seguintes:

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.

Explicação

Questão 86 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 87 de 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';

Selecione uma das seguintes:

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.

Explicação

Questão 88 de 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';

Selecione uma das seguintes:

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.

Explicação

Questão 89 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 90 de 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';

Selecione uma das seguintes:

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.

Explicação

Questão 91 de 110

Which program creates the output shown below?

Selecione uma das seguintes:

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;

Explicação

Questão 92 de 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;

Selecione uma das seguintes:

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.

Explicação

Questão 93 de 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 +';

Selecione uma das seguintes:

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

Explicação

Questão 94 de 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;

Selecione uma das seguintes:

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

Explicação

Questão 95 de 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;

Selecione uma das seguintes:

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

Explicação

Questão 96 de 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';

Selecione uma das seguintes:

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

Explicação

Questão 97 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 98 de 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';

Selecione uma das seguintes:

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';

Explicação

Questão 99 de 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;

Selecione uma das seguintes:

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

Explicação

Questão 100 de 110

Which program contains an error?

Selecione uma das seguintes:

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;

Explicação

Questão 101 de 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;

Selecione uma das seguintes:

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

Explicação

Questão 102 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 103 de 110

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

Selecione uma das seguintes:

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.

Explicação

Questão 104 de 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;

Selecione uma das seguintes:

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

Explicação

Questão 105 de 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?

Selecione uma das seguintes:

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.

Explicação

Questão 106 de 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;

Selecione uma das seguintes:

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

Explicação

Questão 107 de 110

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

Selecione uma das seguintes:

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.

Explicação

Questão 108 de 110

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

Selecione uma das seguintes:

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

Explicação

Questão 109 de 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:

Selecione uma das seguintes:

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

Explicação

Questão 110 de 110

The DATA step executes:

Selecione uma das seguintes:

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.

Explicação

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	Criado por James Blair quase 10 anos atrás

SAS Basic Programming Multiple Choice

Stats 124 Final Review

Questão 1 de 110

See image

Selecione uma das seguintes:

Explicação

Questão 2 de 110

Selecione uma das seguintes:

Explicação

Questão 3 de 110

See Image

Selecione uma das seguintes:

Explicação

Questão 4 de 110

See image

Selecione uma das seguintes:

Explicação

Questão 5 de 110

Which of the following variable names is valid

Selecione uma das seguintes:

Explicação

Questão 6 de 110

Which of the following files is a permanent SAS file?

Selecione uma das seguintes:

Explicação

Questão 7 de 110

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

Selecione uma das seguintes:

Explicação

Questão 8 de 110

See image

Selecione uma das seguintes:

Explicação

Questão 9 de 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;

Selecione uma das seguintes:

Explicação

Questão 10 de 110

What is a SAS library?

Selecione uma das seguintes:

Explicação

Questão 11 de 110

Selecione uma das seguintes:

Explicação

Questão 12 de 110

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

Selecione uma das seguintes:

Explicação

Questão 13 de 110

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

Selecione uma das seguintes:

Explicação

Questão 14 de 110

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

Selecione uma das seguintes:

Explicação

Questão 15 de 110

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

Selecione uma das seguintes:

Explicação

Questão 16 de 110

See image.

Selecione uma das seguintes:

Explicação

Questão 17 de 110

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

Selecione uma das seguintes:

Explicação

Questão 18 de 110

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

Selecione uma das seguintes:

Explicação

Questão 19 de 110

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

Selecione uma das seguintes:

Explicação

Questão 20 de 110

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

Selecione uma das seguintes:

Explicação

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