목록전체 글 (268)

나루다루

SAS BASE Q58. first/last & if

QUESTION NO: 58The following SAS program is submitted:data work.total;set work.salary(keep = department wagerate);by department;if first.department then payroll = 0;payroll + wagerate;if last.department;run; The SAS data set named WORK.SALARY contains 10 observations for each department, and is currently ordered by DEPARTMENT. Which statement is true? A. The BY statement in the DATA step causes ..
Study/SAS BASE 2018. 11. 1. 23:34
SAS BASE Q57.

QUESTION NO: 57Given the SAS data set PERM.STUDENTS:PERM.STUDENTS NAME AGEAlfred 14Alice 13Barbara 13Carol 14 The following SAS program is submitted:libname perm 'SAS data library';data students;set perm.students;file 'file specification';put name $ age;run; The following double-spaced file is desired as outputAlfred 14Alice 13Barbara 13Carol 14 Which statement completes the program and creates ..
Study/SAS BASE 2018. 10. 31. 22:54
SAS BASE Q56. le & ge

QUESTION NO: 56The following SAS program is submitted:data test;set sasuser.employees;if 2 le years_service le 10 then amount = 1000;else amount = 0;amount_per_year = years_service / amountrun; What is the value of the variable AMOUNT_PER_YEAR if an employee has been with the company for one year? A. 0B. 0.001C. 1D. . (missing numeric value) Answer: D # 문제 풀이 - 2
Study/SAS BASE 2018. 10. 31. 22:48
SAS BASE Q55. weekdate

QUESTION NO: 55The following SAS program is submitted:data one;date = '04juI2005'd;format date weekdate.; run; proc print data = one; run; What output is generated? A. Obs date 1 Monday, July 4, 2005B. Obs date 1 July4, 2005C. Obs date 1 04Jul2005D. Obs date 1 Monday, 07/04/2005 Answer: A # 문제 풀이 - weekdate 포맷 : Monday, July 4, 2005
Study/SAS BASE 2018. 10. 31. 22:43
SAS BASE Q54. tables [수정]

QUESTION NO: 54The following SAS program is submitted: proc freq data = sales;run; Which TABLES statement(s) completed the program and produced the output? A. tables region product;B. tables region * product;C. tables product * region;D. tables product; tables region; Answer: B # 문제 풀이 - tables region * product : 이원테이블 생성.
Study/SAS BASE 2018. 10. 31. 22:39
SAS BASE Q53. array & _temporary_

QUESTION NO: 53The following SAS program is submitted:data work.test;array items{3} _temporary_;run; What are the names of the variable(s) in the WORK.TEST data set? A. ITEMSB. ITEMS1, ITEMS2, ITEMS3C. No variables are created because it is a temporary array.D. The program fails to execute because there are no variables listed on the ARRAY statement. Answer: C # 문제 풀이 - _temporary_ 옵션이 없다면 : ite..
Study/SAS BASE 2018. 10. 31. 22:35
SAS BASE Q52. data _null_

QUESTION NO: 52The following SAS program is submitted:Data _null_;set old;put sales1 sales2;run; Where is the output written? A. to the SAS logB. to the SAS data set _NULL_C. to the SAS output window or to an output fileD. to the raw data file that was most recently opened Answer: A # 문제 풀이 - data _null_ : 명령은 실행하지만, 데이터 셋은 생성하지 않는다. (log에는 표시된다) - _null_ 이라는 데이셋이 생성되는 것은 아니다.
Study/SAS BASE 2018. 10. 31. 22:25
SAS BASE Q51. 세미콜론(;) / 추가 문제

QUESTION NO: 51The following SAS program is submitted:data work.retail;cost = '20000';total= .10* costrun; What is the result? A. The value of the variable TOTAL in the output data set is 2000. No messages are written to the SAS log. B. The value of the variable TOTAL 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 TO..
Study/SAS BASE 2018. 10. 31. 22:22
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