QUESTION 111 A SAS PRINT procedure output of the WORK.LEVELS data set is listed below: Obsname level 1 Frank 1 2 Joan 2 3 Sui 2 4 Jose 3 5 Burt 4 6 Kelly . 7 Juan 1 The following SAS program is submitted: data work . expertise; set work. levels; if level = . then expertise = 'Unknown'; else if level = 1 then expertise = 'Low'; else if level = 2 or 3 then expertise =' Medium'; else expertise = 'High'; run; Which of the following values does the variable EXPERTISE contain? A. Low, Medium, and High only B. Low, Medium, and Unknown only C. Low, Medium, High, and Unknown only D. Low, Medium, High, Unknown, and ' ' (missing character value) Ans –B Why not like this: . then 'unknown' 1 then 'low' 0 then 'high' any other then 'medium' as medium will always be true!
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