On Mon, 17 Nov 2008, Mariusz Doszy�^D wrote:
> See the built-in functions pmean and psd. See also the
function
> package named "meansby" (written by Jack Lucchetti). To find
> this: /File/Function files/On server
Thanks a lot Allin. I have also problems with setting sample
range. When I try to change range of sample information that
ending observation is invalid appears.
Can you give an example of an attempt that fails, please?
Allin Cottrell