SASbase70题无答案解析版适合练习.docx

1、SASbase70题无答案解析版适合练习SAS 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 accu

2、mulate subtotals for each Gender within Department?A. GenderB. DepartmentC. Gender DepartmentD. Department GenderQ 2Given the following raw data records in TEXTFILE.TXT: -|-10-|-20-|-30 John,FEB,13,25,14,27,Final John,MAR,26,17,29,11,23,Current Tina,FEB,15,18,12,13,Final Tina,MAR,29,14,19,27,20,Curr

3、entThe following output is desired: Obs Name Month Status Week1 Week2 Week3 Week4 Week5 1 John FEB Final $13 $25 $14 $27 . 2 John MAR Current $26 $17 $29 $11 $23 3 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 W

4、ORK.NUMBERS; length Name $ 4 Month $ 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

5、 WORK.NUMBERS; length Name $ 4 Month $ 3 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

6、; run;C. data WORK.NUMBERS; length Name $ 4 Month $ 3 Status $ 7; infile 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.NU

7、MBERS; run;D. data WORK.NUMBERS; length Name $ 4 Month $ 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

8、.NUMBERS; run;Q 3The following SAS program is submitted:data WORK.DATE_INFO; Day=01 ; Yr=1960 ; X=mdy(Day,01,Yr) ;run;What is the value of the variable X?A. the numeric value 0B. the character value 01011960C. a missing value due to syntax errorsD. the step will not compile because of the character

9、argument in the mdy function.Q 4The Excel workbook REGIONS.XLS contains the following four worksheets: EAST WEST NORTH SOUTHThe 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

10、=MYXLS.NORTH$;run;C. proc print data=MYXLS.NORTHe;run;D. proc print data=MYXLS.NORTH$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;D. input custome

11、r.txt stop=10; Q 6After a SAS program is submitted, the following is 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; - 22 ERROR 22-322: Syntax error, e

12、xpecting one of the following: !, !, &, *, *, +, -, , =, , =, , =, AND, EQ, GE, GT, IN, LE, LT, MAX, MIN, NE, NG, NL, NOTIN, OR, =, |, |, =. 106 run;What changes should be made to the KEEP statement to correct the errors in the LOG?A. keep=(Product Sales);B. keep Product, Sales;C. keep=Product, Sale

13、s;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. MSOFFICE2KB. EXCELXPC. CSVALLD. WINXPQ 8The SAS data set named WORK.SALARY contains 10 observations for each department, and is currently ordered

14、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+(MonthlyWageRate*12); if Last.Department=1; run;Which statement is true?A. The by statement in the DATA step causes a

15、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 WORK.SALARY data set.D. The values of the variable Payroll represent a monthly total for all values of WAGER

16、ATE in the WORK.SALARY data set.Q 9data course;input exam;datalines;50.1;run;proc format;value score 1 50 = Fail 51 100 = Pass;run;proc report data =course nowd;column exam;define exam / display format=score.;run;What is the value for exam?A. FailB. PassC. 50.1D. No outputQ 10The following SAS progr

17、am 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.B. The value of the variable Discount in the output data set is 2000. A note that conversion has tak

18、en 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 data set is set to zero. No messages are written to the SAS log.Q 11Given the existing SAS program:

19、proc format; value agegrp low-12 =Pre-Teen 13-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 addedto generate the following results:Analysis Variable : Height N Sex Age Obs Minimum Max

20、imum Mean - F Pre-Teen 3 51.3 59.8 55.8 Teen 6 56.5 66.5 63.0 M Pre-Teen 4 57.3 64.8 59.7 Teen 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 data=SASHELP.CLASS min max mean maxdec=1;D. output nobs min max mean maxdec=1;Q 12The E

21、xcel workbook QTR1.XLS contains thefollowing three worksheets: JAN FEB MARWhich statement correctly assigns a library reference to the Excel workbook?A. libname qtrdata qtr1.xls;B. libname qtr1.xls sheets=3;C. libname jan feb mar qtr1.xls;D. libname mydata qtr1.xls WORK.heets=(jan,feb,mar);Q 13The f

22、ollowing SAS program is submitted:data WORK.TEST; set WORK.MEASLES(keep=Janpt Febpt Marpt); array Diff3 Difcount1-Difcount3; array Patients3 Janpt Febpt Marpt;run;What new variables are created?A. Difcount1, Difcount2 and Difcount3B. Diff1, Diff2 and Diff3C. Janpt, Febpt, and MarptD. Patients1, Pati

23、ents2 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 debugger; set WORK.PILOTS; State=scan(cityState,2, ); if State=NE then descr

24、iption=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 description=Central;run;Q 15Which statement is true concerning the SAS automat

25、ic 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 submitted:data WORK.DATE_INFO; X=04jul2005d; DayOfMonth=day(x); Mont

26、hOfYear=month(x); Year=year(x);run;What 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. MonthOfYear is character.D. DayOfMonth, Year, and MonthOfYear are d

27、ate values.Q 17Given the following data step:data WORK.GEO; infile datalines; input City $20.; if City=Tulsa then State=OK; Region=Central; if City=Los Angeles then State=CA; Region=Western;datalines;TulsaLos AngelesBangor;run;After data step execution, what will data set WORK.GEO contain?A.City State Region - - - Tulsa OK Western Los Angeles CA Western Bangor WesternB.City State Region - - - Tulsa OK Western Los Angeles CA Western BangorC.City State Region - - - Tulsa OK Central Los Angeles CA Western Bangor WesternD.City State Region - - -