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목록Study/SAS BASE (100)
나루다루
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 -
QUESTION NO: 42What describes the SAS automatic _ERROR_ variable? A. The _ERROR_ variable contains the values 'TRUE' or 'FALSE.'B. The _ERROR variable maintains a count of the number of data errors.C. The _ERROR_ variable can be used in expressions or calculations in the DATA step.D. The _ERROR_variable contains the number or the observation that caused the error. Answer: C # 문제 풀이 - _ERROR_ var..
QUESTION NO: 41The following SAS program is submitted:data work.test;set work.staff (keep = jansales febsales marsales);array diff_sales{3} difsales1 - difsales3;array monthly{3} jansales febsales marsales;run; What new variables are created? A. JANSALES, FEBSALES and MARSALESB. MONTHLY1, MONTHLY2 and MONTHLY3C. DIFSALES1, DIFSALES2 and DIFSALES3D. DIFF_SALES1, DIFF_SALES2 and DIFF_SALES3 Answer..
QUESTION NO: 40What is the purpose or the MISSOVER option on the INFILE statement? A. It prevents SAS from loading a new record when the end of the current record is reached. B. It enables SAS to scan the input data records until the character string that is specified in the @'character-string' expression is round. C. It enables SAS to continue to read the next input data record if it does notfi..
QUESTION NO: 39The following SAS program is submitted: proc format value score 1 - 50 = 'Fail' 51 - 100 = 'Pass';run; proc report data = work.courses nowd;column exam;define exam / display format = score.;run; The variable EXAM has a value of 50.5. How will the EXAM variable value be displayed in the REPORT procedure output? A. FailB. PassC. 50.5D. . (missing numeric value) Answer: C # 문제 풀이 -
QUESTION NO: 38Given the SAS data set EMPLOYEE INFO:EMPLOYEE_INFO The following SAS program is submitted:proc sort data = employee_info;run; Which BY statement completes the program and sorts the data sequentially by ascending expense values within each ascending IDNUMBER value? A. by Expenses IDNumber;B. by IDNumber Expenses;C. by ascending Expenses IDNumber;D. by ascending IDNumber ascending E..
QUESTION NO: 37Given the raw data file YEARAMT: 1901 2 1905 1 1910 6 1925 .1941 1 The following SAS program is submitted:data coins;infile 'yearamt';input year quantity;run; Which statement(s) completed the program and produced a non-missing value for the variable TOTQUANTITY in the final observation of the output data set? A. totquantity + quantity;B. totquantity = sum(totquantity + quantity);C..