you can save computer time by first creating a TYPE=CORR data set and using it as input to PROC FACTOR. proc corr data=raw out=correl; /* create TYPE=CORR data set */ proc factor data=correl method=ml ...

The following DATA statement creates a data view called MONTHLY_SALES. data that is created by programming statements data that you can remotely access through an FTP protocol, TCP/IP socket, a SAS ...