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From | Austin Nichols <austinnichols@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: tabstatmat question |
Date | Fri, 2 Sep 2011 12:08:31 -0400 |
Sergio <sergioal@ufl.edu> : Now I have no idea what you are trying to do. For the mean by group, egen mby=mean(num_typ3), by(zone wave) but you are referring to (probably) nonexistent row and column numbers of a matrix in your example. On Fri, Sep 2, 2011 at 10:42 AM, Alvarez,Sergio <sergioal@ufl.edu> wrote: > Thanks Austin and Nick for your help. I used what Austin suggested (which > is what Nick also suggested) and it worked. However, when I try to create > the variable that contains the mean by group it works for some observations, > but missing values are created for most of them. I tried both: > > gen meancatch = TABLE[zone,wave] > and > gen meancatch = TABLE[byv,num_typ3] > > For the first line of code, it creates the correct value for all > observations where wave = 1, but not for any others. The second line > creates missing values at random (as far as I can tell). > > I'd appreciate any tips. * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/