Date:         Sun, 2 Nov 2008 11:45:04 -0500
Reply-To:     Lou <lpogoda@HOTMAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Lou <lpogoda@HOTMAIL.COM>
Organization: Aioe.org NNTP Server
Subject:      Re: Means
Comments: To: sas-l@uga.edu

"Randy" <randistan69@HOTMAIL.COM> wrote in message
news:200811021344.mA2BmvKL012869@malibu.cc.uga.edu...
> Dear all:
>   Is there a one step data process to calculate the means of the entire
> sample; and the means according to the class.
> So, for example;
>
> Class    VarA
> A         20
> A         31
> B         22
> A         12
> B         4
>
> I want the mean of VarA for all the observations and according to Class A
> and Class B.  I would like to do this in one data step.  Is this possible?

Yes, it's possible, but it's ill advised.  Generally, if there's a function
or procedure available for a particular calculation, you should use it
rather than programming it "by hand", so to speak.  In this case, PROC MEANS
or PROC SUMMARY will do what you want.