나루다루

QUESTION NO: 50The following SAS program is submitted, creating the SAS data set ONE:data one;infile 'specification';input num char$;run; ONENUM CHAR1 233 231 77 The following SAS program is submitted:proc print data = one;where char = 23;run; What is output? A. NUM CHAR1 77B. NUM CHAR 1 23 3 23C. NUM CHAR 1 23 3 23 1 77D. No output is generated. Answer: D # 문제 풀이 - char 변수를 문자형($) 변수로 선언하였다. wh..

QUESTION NO: 49The following SAS program is submitted:data work.new;length word $7;amount = 4;if amount = 4 then word = 'FOUR';else if amount = 7 then word = 'SEVEN';else word = 'NONE!!!';amount = 7;run; What are the values of the AMOUNT and WORD variables in SAS dataset work.new? A. amount word 4 FOURB. amount word 4 NONE!!!C. amount word 7 FOURD. amount word 7 SEVEN Answer: C # 문제 풀이 - amount=..

QUESTION NO: 48The following SAS program is submitted:data work.flights;destination = 'cph';select(destination);when('LHR') city = 'London';when('CPH') city = 'Copenhagen';otherwise city = 'Other';end;run; What is the value of the CITY variable? A. OtherB. CopenhC. CopenhagenD. ''(missing character value) Answer: A # 문제 풀이 - select ~ when 구문은 if ~ else 구문과 비슷하다. - select(destination) : destinati..

QUESTION NO: 47A user-defined format has been created using the FORMAT procedure. Where is it stored? A. in a SAS catalogB. in an external binary fileC. in a SAS dataset in the WORK libraryD. in a SAS dataset in a permanent SAS data library Answer: A # 문제 풀이 - sas catalog : 사용자 정의 형식(format)들을 저장

QUESTION NO: 46Given the contents of the raw data file TYPECOLOR:Daisyyellow The following SAS program is submitted:data flowers;infile 'typecolor';input type$ 1-5+1 color$;run; What are the values of the variables TYPE and COLOR? A. type colordaisy yellowB. type colordaisy ellowC. type colordaisyyellow " "(missing character value)D. No values are stored for the TYPE and COLOR variables. Answer:..

QUESTION NO: 45The following SAS program is submitted:libname temp 'SAS data library';data temp.sales;merge temp.sales work.receipt;by names;run; The input data files are sorted by the NAMES variable:What is the result? A. The program executes successfully and a temporary SAS data set is created.B. The program executes successfully and a permanent SAS data set is created.C. The program fails exe..

QUESTION NO: 44Which statement correctly computes the average of four numerical values? A. average = mean(num1, num4);B. average = mean(num1 - num4);C. average = mean(ofnum1 - num4)D. average = mean(num1 num2 num3 num4); Answer: C # 문제 풀이 - A. num1과 num4의 평균을 구함 - B. num1에서 num4를 뺀 다음에 평균을 구함 - C. mean(ofnum1 - num4)를 쓰면 평균을 구할 수 있다. 구문 암기. - D. num을 ,로 구분했으면 num1~4의 평균을 낼 수 있다.

QUESTION NO: 43Given the following raw data record: 07Jan2005Which INFOFRMAT reads this raw data and stores it as a SAS date value? A. dmy9.B. date9.C. ddMMMyy9.D. ddmmmyyyy9. Answer: B # 문제 풀이 -