SAS BASE Q64. keep

QUESTION NO: 64

After a SAS program is submitted, the following is written to the SAS log:

105 data january;

106 set allmonths(keep = product month num_sold cost);

107 if month = 'Jan' then output january;

108 sales = cost * num_sold;

109 keep = product sales;

ERROR 22-322: Syntax error, expecting one of the following:

!, !!, &, *,**, +, -,/, <,< =, <>, =, >, ><, >=, AND, EQ, GE, GT, IN, LE, LT, MAX, MIN, NE, NG, NL, NOTIN, OR,^=,|,II,

110 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, sales;

D. keep = (product sales);

 

 

Answer: A

# 문제 풀이

 - 109번 줄에서 에러가 났다. 

 - keep문은 = 를 쓰는게 아니라 띄어쓰기로 나열한다.