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Tips Talk:Have you tried the MISSING function yet?
It is also rather common to use call missing to create variables. This happens often when initializing a hash. Below is an example. -- chang_y_chung 22:43, 14 January 2011 (UTC)
data _null_; dcl hash h(); h.defineKey('key'); /* errors without call missing below */ h.defineData('data'); h.defineDone(); call missing(key, data); run;
this would be good as a tip of it's own. --Don Henderson 22:48, 14 January 2011 (UTC)
- but I would use a simpler example, one focusing on the CALL MISSING routine.--Howles 15:12, 22 January 2011 (UTC)