Ok, so THAT was the problem. I was sure it was formatted as a date, apparently it's not numeric. Thanks, Ya and everyone!

RHS

On Fri, Oct 31, 2008 at 4:28 PM, Ya Huang <ya.huang@amylin.com> wrote:

> It should work. Are you sure your variable year is numeric? > If it's a character var, you should use: > > '1991'<= year <='2001' > > On Fri, 31 Oct 2008 16:14:08 -0400, Rieza Soelaeman <rsoelaeman@GMAIL.COM> > wrote: > > >Hello everyone, > >Just wondering how I can use the where clause to select for a range of > >years. For example, I want SAS to run the procedure only on observations > >from 1991-2001. I tried where 1991<= year <=2001; but that doesn't work > >:(. I really don't want to have to do where year in > >(1991,1992,1993,1994,1995,etc.); because the just seems tedious. > > > >Thanks! > >RHS >