I'm afraid that you are not providing enough information on what you are doing. The logic overview as you specify should work but, the details of the code may be wrong.

Dennis Diskin

"DDA.RFC-822=SAS-L@VM.MARIST.EDU/P=Internet/A= /C=us" on 12/07/99 05:09:39 AM Please respond to "G=Achim/S=Steup/O=POST/P=RWTH-AACHEN/A=d400-gw/C=de" @ X400 To: "DDA.RFC-822=SAS-L@VM.MARIST.EDU/P=Internet/A= /C=us"@X400 cc:

Subject: Strange data-step-problem

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Hi Everybody,

Has anyone out there noticed the following problem (or a solution to it): I want do separate a variable with 4 levels into 4 single variable, which are set to 1 if the level is present ant missing elsewhere. the original variable, called _82, has the following frequencies: Level Freq 1 733 2 45 3 164 4 197. If I try to create the 4 variables as _82_1 to _82_4, like this if _82=1 then _82_1=1; else if _82=2 then _82_2=1; else if _82=3 then _82_3=1; else if _82=4 then _82_4=1; then these variables get strange values: var freq _82_1 755 _82_2 50 _82_3 187 _82_4 198 With any other variable names this problem does not occur. Any Suggestions?

Thanks in advance,

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