原文載點:User-Written DATA Step Functions
這是一個 SAS V9.2 版新釋出的功能,類似 macro,可自行定義 SAS 沒有的函式(function),並可在不用重複呼叫的情況之下,自由使用於每個 data step 裡面。這個自行定義函式的功能,是由 PROC FCMP 來完成。
直接來看一個範例:
proc fcmp...
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