Date:         Tue, 3 Nov 2009 21:23:48 -0800
Reply-To:     Ching <kcwong5@GMAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Ching <kcwong5@GMAIL.COM>
Organization: http://groups.google.com
Subject:      weighted regression?
Comments: To: sas-l@uga.edu
Content-Type: text/plain; charset=ISO-8859-1

Hi everyone.

I maybe asking a very easy question here but I have a dataset with
vary numbers of repeated A measurements for each individuals. During
each measuring round, each individuals would do more than one task for
a certain time. What would be the most appropriate way to analyze it
if my interest is to find out what task contributes to higher A
exposure and at the same time taking into account the correlation of
the repeated A measurements? I've been told to use weights but i don't
understand.

Your help is greatly appreciated. Many thanks.

Have a great day.