SAS 面试题与答案
Question: What is the purpose of the SUM statement in the DATA step?Answer: The SUM statement in the DATA step is used to accumulate the sum of numeric variables across observations within a BY group or across all observations.Example:
|
保存以便复习
收藏此条目、标记为困难题,或将其加入复习集合。
这有帮助吗? 是 否
用户评价最有帮助的内容:
- How do you concatenate datasets vertically in SAS?
- Explain the purpose of the CONTENTS procedure in SAS.
- Explain the difference between PROC MEANS and PROC SUMMARY.
- What is the difference between WHERE and IF statements in SAS?
- Explain the concept of a macro in SAS.