adds observations from one SAS data set to the end of another SAS data set. BMDP procedure invokes a BMDP program to analyze data in a SAS data set. See the SAS documentation for your operating ...
one or more variables that appear in the BASE= and COMPARE= data sets or only in the BASE= data set. If you do not use the VAR statement, PROC COMPARE compares the values of all matching variables ...