data newclass(keep=first_name sex weight yearborn);
set sashelp.class(drop=height rename=(name=first_name));
yearborn=year(date())-age;
if yearborn >2002;
run;
Data specifies the target data set. Keep option specifies columns to print to target.
Set specifies source data set. Drop specifies columns not to take. Rename renames name to first_name.
Yearborn is a calculated implicit numeric variable (column).
Filter and implicit output data with if
for pupils born after 2002.