SASbase70题无答案版,适合练习.docx

1、1SAS Base 认证考试70 题Q 11. The following SAS program is submitted:data WORK.TOTAL;set WORK.SALARY;by Department Gender;if First. then Payroll=0;Payroll+Wagerate;if Last.;run;The SAS data set WORK.SALARY is currently ordered by Gender within Department.Which inserted code will accumulate subtotals for e

2、ach Gender within Department?A. GenderB. DepartmentC. Gender DepartmentD. Department GenderQ 2Given the following raw data records in TEXTFILE.TXT:-|-10-|-20-|-30John,FEB,13,25,14,27,FinalJohn,MAR,26,17,29,11,23,CurrentTina,FEB,15,18,12,13,FinalTina,MAR,29,14,19,27,20,CurrentThe following output is

3、desired:Obs Name Month Status Week1 Week2 Week3 Week4 Week51 John FEB Final $13 $25 $14 $27 .22 John MAR Current $26 $17 $29 $11 $233 Tina FEB Final $15 $18 $12 $13 .4 Tina MAR Current $29 $14 $19 $27 $20Which SAS program correctly produces the desired output?A. data WORK.NUMBERS;length Name $ 4 Mon

4、th $ 3 Status $ 7;infile TEXTFILE.TXT dsd;input Name $ Month $;if Month=FEB then input Week1 Week2 Week3 Week4 Status $;else if Month=MAR then input Week1 Week2 Week3 Week4 Week5 Status $;format Week1-Week5 dollar6.;run;proc print data=WORK.NUMBERS;run;B. data WORK.NUMBERS;length Name $ 4 Month $ 3

5、Status $ 7;infile TEXTFILE.TXT dlm=, missover;input Name $ Month $;if Month=FEB then input Week1 Week2 Week3 Week4 Status $;else if Month=MAR then input Week1 Week2 Week3 Week4 Week5 Status $;format Week1-Week5 dollar6.;run;proc print data=WORK.NUMBERS;run;C. data WORK.NUMBERS;length Name $ 4 Month

6、$ 3 Status $ 7;3infile TEXTFILE.TXT dlm=,;input Name $ Month $ ;if Month=FEB then input Week1 Week2 Week3 Week4 Status $;else if Month=MAR then input Week1 Week2 Week3 Week4 Week5 Status $;format Week1-Week5 dollar6.;run;proc print data=WORK.NUMBERS;run;D. data WORK.NUMBERS;length Name $ 4 Month $ 3

7、 Status $ 7;infile TEXTFILE.TXT dsd ;input Name $ Month $;if Month=FEB then input Week1 Week2 Week3 Week4 Status $;else if Month=MAR then input Week1 Week2 Week3 Week4 Week5 Status $;format Week1-Week5 dollar6.;run;proc print data=WORK.NUMBERS;run;Q 3The following SAS program is submitted:data WORK.

8、DATE_INFO;Day=“01“ ;Yr=1960 ;X=mdy(Day,01,Yr) ;run;4What is the value of the variable X?A. the numeric value 0B. the character value “01011960“C. a missing value due to syntax errorsD. the step will not compile because of the character argument in the mdy function.Q 4The Excel workbook REGIONS.XLS c

9、ontains the following four worksheets:EASTWESTNORTHSOUTHThe following program is submitted:libname MYXLS regions.xls;Which PROC PRINT step correctly displays the NORTH worksheet?A. proc print data=MYXLS.NORTH;run;B. proc print data=MYXLS.NORTH$;run;C. proc print data=MYXLS.NORTHe;run;D. proc print d

10、ata=MYXLS.NORTH$n;run;Q 5Which statement specifies that records 1 through 10 are to be read from the raw data file customer.txt?A. infile customer.txt 1-10;B. input customer.txt stop10;C. infile customer.txt obs=10;5D. input customer.txt stop=10; Q 6After a SAS program is submitted, the following is

11、 written to the SAS log:101 data WORK.JANUARY;102 set WORK.ALLYEAR(keep=product month num_Sold Cost);103 if Month=Jan then output WORK.JANUARY;104 Sales=Cost * Num_Sold;105 keep=Product Sales;-22ERROR 22-322: Syntax error, expecting one of the following: !,!, What changes should be made to the KEEP

12、statement to correct the errors in the LOG?A. keep=(Product Sales);B. keep Product, Sales;C. keep=Product, Sales;D. keep Product Sales;Q 7Which of the following choices is an unacceptable ODSdestination for producing output that can be viewed in Microsoft Excel?A. MSOFFICE2K6B. EXCELXPC. CSVALLD. WI

13、NXPQ 8The SAS data set named WORK.SALARY contains 10 observations for each department, and is currently ordered by Department.The following SAS program is submitted:data WORK.TOTAL;set WORK.SALARY(keep=Department MonthlyWageRate);by Department;if First.Department=1 then Payroll=0;Payroll+(MonthlyWag

14、eRate*12);if Last.Department=1;run;Which statement is true?A. The by statement in the DATA step causes a syntax error.B. The statement Payroll+(MonthlyWageRate*12); in the data step causes a syntax error.C. The values of the variable Payroll represent the monthly total for each department in the WOR

15、K.SALARY data set.D. The values of the variable Payroll represent a monthly total for all values of WAGERATE in the WORK.SALARY data set.Q 9data course;input exam;datalines;50.17;run;proc format;value score 1 50 = Fail51 100 = Pass;run;proc report data =course nowd;column exam;define exam / display

16、format=score.;run;What is the value for exam?A. FailB. PassC. 50.1D. No outputQ 10The following SAS program is submitted:data WORK.RETAIL;Cost=$20.000;Discount=.10*Cost;run;What is the result?A. The value of the variable Discount in the output data set is 2000. No messages are written to the SAS log

17、.B. The value of the variable Discount in the output data set is 2000. A note that conversion has taken place is written to the SAS log.C. The value of the variable Discount in the output data set is missing. A note in the SAS log refers to invalid numeric data.D. The variable Discount in the output

18、 data set is set to zero. No messages are written to the SAS log.8Q 11Given the existing SAS program:proc format;value agegrplow-12 =Pre-Teen13-high = Teen;run;proc means data=SASHELP.CLASS;var Height;class Sex Age;format Age agegrp.;run;Which statement in the proc means step needs to be modified or

19、 addedto generate the following results:Analysis Variable : HeightNSex Age Obs Minimum Maximum Mean-F Pre-Teen 3 51.3 59.8 55.8Teen 6 56.5 66.5 63.0M Pre-Teen 4 57.3 64.8 59.7Teen 6 62.5 72.0 66.8-A. var Height / nobs min max mean maxdec=1;B. proc means data=SASHELP.CLASS maxdec=1 ;C. proc means dat

20、a=SASHELP.CLASS min max mean maxdec=1;D. output nobs min max mean maxdec=1;Q 12The Excel workbook QTR1.XLS contains thefollowing three worksheets:JANFEBMARWhich statement correctly assigns a library reference to the Excel workbook?A. libname qtrdata qtr1.xls;B. libname qtr1.xls sheets=3;C. libname j

21、an feb mar qtr1.xls;D. libname mydata qtr1.xls WORK.heets=(jan,feb,mar);Q 13The following SAS program is submitted:data WORK.TEST;set WORK.MEASLES(keep=Janpt Febpt Marpt);array Diff3 Difcount1-Difcount3;9array Patients3 Janpt Febpt Marpt;run;What new variables are created?A. Difcount1, Difcount2 and

22、 Difcount3B. Diff1, Diff2 and Diff3C. Janpt, Febpt, and MarptD. Patients1, Patients2 and Patients3Q 14Which of the following programs correctly invokes the DATA Step Debugger:A. data WORK.TEST debug;set WORK.PILOTS;State=scan(cityState,2, );if State=NE then description=Central;run;B. data WORK.TEST

23、debugger; set WORK.PILOTS;State=scan(cityState,2, );if State=NE then description=Central;run;C. data WORK.TEST / debug; set WORK.PILOTS;State=scan(cityState,2, );if State=NE then description=Central;run;D. data WORK.TEST / debugger;set WORK.PILOTS;State=scan(cityState,2, );if State=NE then descripti

24、on=Central;run;Q 15Which statement is true concerning the SAS automatic variable _ERROR_?A. It cannot be used in an if/then condition.B. It cannot be used in an assignment statement.C. It can be put into a keep statement or keep= option.D. It is automatically dropped.Q 16The following SAS program is

25、 submitted:data WORK.DATE_INFO;X=04jul2005d;DayOfMonth=day(x);MonthOfYear=month(x);Year=year(x);run;10What types of variables are DayOfMonth, MonthOfYear, and Year?A. DayOfMonth, Year, and MonthOfYear are character.B. DayOfMonth, Year, and MonthOfYear are numeric.C. DayOfMonth and Year are numeric.

26、MonthOfYear is character.D. DayOfMonth, Year, and MonthOfYear are date values.Q 17Given the following data step:data WORK.GEO;infile datalines;input City $20.;if City=Tulsa thenState=OK;Region=Central;if City=Los Angeles thenState=CA;Region=Western;datalines;TulsaLos AngelesBangor;run;After data ste

27、p execution, what will data set WORK.GEO contain?A. City State Region- - -Tulsa OK WesternLos Angeles CA WesternBangor WesternB. City State Region- - -Tulsa OK WesternLos Angeles CA WesternBangorC. City State Region- - -Tulsa OK CentralLos Angeles CA WesternBangor WesternD. City State Region- - -Tulsa OK CentralLos CA WesternBangorQ 18