SAS BASE Q15.if & output

QUESTION NO: 15

Given the SAS data set PRICES:

prodid price producttype NETWORK sales

B132S 2.34 HARDWARE 300 10

R18KY2 1.29 SOFTWARE 25 5

3KL8BY 6.37 HARDWARE 125 15

DY65DW 5.60 HARDWARE 45 5

DGTY23 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 = 'NETWORK' then output INTER;

else if producttype = 'SOFTWARE' then output SOFT;

run;

 

How many observations does the HWARE data set contain?

 

A. 0

B. 2

C. 3

D. 4

 

 

Answer: B

# 문제 풀이

 - price<=5.0인 값 3개를 읽는다 -> 3개의 값 중 producttype = 'HARDWARE'인 값 2개를 hware에 넣는다.