Date:         Wed, 20 Jan 1999 07:04:46 GMT
Reply-To:     christopher <appreciate@BIGFOOT.COM>
Sender:       "SAS(r) Discussion" <SAS-L@UGA.CC.UGA.EDU>
From:         christopher <appreciate@BIGFOOT.COM>
Organization: The Chinese University of Hong Kong
Subject:      Question about PROC FREQ

Hi,
Is any different between
 
proc freq;
tables edu*age*sex/out=xxx;
by cluster;
 
and
 
proc freq;
tables edu/out=xxx;
by cluster age sex;
 
Thanks