목록전체 글 (267)

나루다루

SAS BASE Q17. ods / Q66 참고.

QUESTION NO: 17Which ODS statement option terminates output being written to an HTML file? A. ENDB. QUITC. STOPD. CLOSE Answer: D # 문제 풀이 - ods 구문의 종료는 close이다. (외우기!!) - ods(output delivery service) : 결과물을 어떤 형식으로 내보낼지에 대한 설정
Study/SAS BASE 2018. 2. 13. 01:57
SAS BASE Q16.length

QUESTION NO: 16The following SAS program is submitted:data work.accounting;set work.department;length jobcode $ 12;jobcode='FAl';run; The WORK.DEPARTMENT data set contains a character variable named JOBCODE with a length of 5. What is the result? A. The length of the variable JOBCODE is 3.B. The length of the variable JOBCODE is 5.C. The length of the variable JOSBODE is 12.D. The program fails ..
Study/SAS BASE 2018. 2. 13. 01:50
SAS BASE Q15.if & output

QUESTION NO: 15Given the SAS data set PRICES: prodid price producttype NETWORK salesB132S 2.34 HARDWARE 300 10R18KY2 1.29 SOFTWARE 25 53KL8BY 6.37 HARDWARE 125 15DY65DW 5.60 HARDWARE 45 5DGTY23 4.55 HARDWARE 67 2 The following SAS program is submitted:data hware inter soft;set prices (keep = producttype price);if price le 5.00;if producttype = 'HARDWARE' then output HWARE;else if producttype = '..
Study/SAS BASE 2018. 2. 13. 01:45
SAS BASE Q14. 문자와 숫자의 비교

QUESTION NO: 14Given the SAS data set AGES: AGES AGE The variable AGE contains character values. The following SAS program is submitted:data subset;set ages;where age > 12;run; How many observations are written out to the data set SUBSET? A. 0B. 1C. 2D. 3 Answer: A # 문제 풀이 - age는 문자 변수라고 하였으므로 숫자인 12와 비교 할 수는 없다. 비교 시, 에러가 발생하며 관측치는 0개.
Study/SAS BASE 2018. 2. 13. 01:32
SAS BASE Q13. read data & dlm [수정]

QUESTION NO: 13Given the following raw data record:----I----10---I----20---I----30son , Travis The following output is desired: Obs relation firstname1 son Travis Which SAS program correctly reads in the raw data? A. data family (dIm = ','); infile 'tile specification'; input relation $ firstname $; run;B. options dIm = ','; data family; infile 'file specification'; input relation $ firstname $;..
Study/SAS BASE 2018. 2. 13. 01:27
SAS BASE Q12. do / Q21과 비교

QUESTION NO: 12The following SAS program Is submittad:data work.sales;do year = 1 to 5;do month=1 to 12;x+1;output;end;end;run; How many observations are written the WORK SALES data set? A. 0B. 1C. 5D. 60 Answer: D # 문제 풀이 - year=1 (-> month=1 -> ... -> month=12) -> year=2 (-> month=1 -> ... -> month=12) -> year=3 ... 이런 식으로 생각하기.x는 정의한게 없으므로 0부터 시작한다. x+1이므로 맨 처음 칸에는 1이 들어감. data work.sales;do ..
Study/SAS BASE 2018. 2. 13. 01:06
SAS BASE Q11. merge(by - sort)

QUESTION NO: 11The following SAS program is submitted: proc sort data = work.employee;by descending fname; proc sort data = work.salary;by descending fname; data work.empdata;merge work.employee work.salary;by fname;run; Why does the program fail to execute? A. The SORT procedures contain invalid syntax.B. The merged data sets are not permanent SAS data sets.C. The RUN statement was omitted alte..
Study/SAS BASE 2018. 2. 12. 06:59
SAS BASE Q10. proc contents & _all_

QUESTION NO: 10Which program displays a listing of all data sets in the SASUSER library? A. proc contents lib =sasuser.all; run;B. proc contents data =sasuser.all; run;C. proc contents lib =sasuser._alI_; run;D. proc contents data =sasuser._all_; run; Answer: D # 문제 풀이 - proc contents data = ; 꼴 - _all_ : sas에서 '모든 ~' 할때 주로 사용
Study/SAS BASE 2018. 2. 12. 06:55
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