Re ordering variables in SAS
When you have a small number of variables its easier to use the retain statement. Let's say your dataset is example with 3 variables var1,var2 and var3 to have them in descending order just do as shown below
data example1;
retain var3 var2 var1;
set example;
run;
data example1;
retain var3 var2 var1;
set example;
run;
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