Hi Arthur, thank you for very quich feedback. i found the code in page 3-4 of the document http://www.nesug.org/proceedings/nesug07/cc/cc27.pdf i think, what i've created macro variables at the top. But i would be ok for my problem, if i get also them. if i change the step 2 into (without retain): data myset; Set myspace; length my_array $ 50 ; my_array = catx (' ', my_array , varname); run; i hope, so i would create an array. Still I can't get the data as described. And second problem, if i change the data in myspace, i receive still the old data, thanks
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