You can generate a macro in SAS to create new variables by applying a logic to the selected variables by following these steps:
%macro create_new_vars(vars=, prefix=, suffix=);
In this example, the parameters are "vars" to specify the selected variables, "prefix" to add a prefix to the new variable name, and "suffix" to add a suffix to the new variable name.
%let new_var1 = &prefix..newvar1.&suffix;
%let new_var2 = &prefix..newvar2.&suffix;
data new_data;
set old_data;
&new_var1 = sum(&vars);
&new_var2 = mean(&vars);
run;
In this example, "&vars" represents the list of variables that were selected, "&newvar1" is the name of the new variable that represents the sum of the selected variables, and "&newvar2" is the name of the new variable that represents the mean of the selected variables.
%mend create_new_vars;
%create_new_vars(vars=var1-var5, prefix=new_, suffix=_calc);
In this example, the selected variables are var1, var2, var3, var4, and var5, and the new variables will have the prefix "new" and the suffix "calc".
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Asked: 2023-03-17 11:00:00 +0000
Seen: 7 times
Last updated: Mar 09 '22
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