@MAJEED wrote:
what are the issues
When you DROP a variable it is no longer available to RENAME.
Note that statements like DROP are not executable. That means the order of their of appearance in a data step doesn't matter. The variable is Dropped. Period.
Which is why you get the same warning with this code:
152 data junk;
153 Set sashelp.class;
154 rename age=newage;
155 drop age;
156 run;
WARNING: The variable age in the DROP, KEEP, or RENAME list has never been referenced.
NOTE: There were 19 observations read from the data set SASHELP.CLASS.
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