Date: Fri, 10 Jan 2003 10:04:45 -0800
Reply-To: D McGooey <darlene_mcgooey@HOTMAIL.COM>
Sender: "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From: D McGooey <darlene_mcgooey@HOTMAIL.COM>
Subject: can I use the lag function to do this?
Content-Type: text/plain; charset=ISO-8859-1
I was reading some recent posts about the lag function, and I am
confused. This is, conceptually what I want to try to do:
I have three variables: a(i...n), b(i...n) and c(i...n). For record
For the remaning records: a[i]=a[i], b[i]=a[i]*b[i-1],
The problem is how do I access one element past for calculating the
value b[i] and c[i]. I think the lag function could work, but the
sas code is not working with me. There is very little documentation
that I can find to explain it. Is this even possible in sas (well of
course it is, but is it possible for ME in sas)?