If you have a data set that contains 100 variables, but you
need only five of those, what is the code to force SAS to
use only those variable?
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Answer Posted / ram pabba
It is true to use KEEP option on a dataset to only select
few variables from 100 variables.
We can use KEEP option either on set statement or data
step statement. If we use on SET statement then only the
five variables are created on pdv and only these variables
are sent to the output dataset. If we use KEEP option on
data step statement then all the variables are copied into
pdv and after any maniuplation only the selected variables
on data step statement are processed and sent to output
dataset.
data abc;
set xyz (keep= ab cd ef gh);
run;
data abc(keep= ab cd ef gh ij);
set xyz;
ij=ab+jk;
run;
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