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| From | Jörg Eulenberger <j.eulenberger@web.de> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: R2dicho after xtlogit |
| Date | Tue, 22 Mar 2011 17:22:55 +0100 |
Thanks a lot Maarten, my Stata 10.1 give me this error code . scalar `tau_r2' = _pi2/3 _pi2 not found is this the right code? scalar `tau_r2' = (_pi*_pi)/3 Jörg Am 22.03.2011 14:48, schrieb Maarten buis: > webuse union, clear > xtlogit union age grade i.not_smsa south##c.year > > tempname sigma_f2 tau_02 tau_r2 > predict double xb if e(sample) > sum xb if e(sample) > scalar `sigma_f2' = r(Var) > > scalar `tau_02' = exp( [lnsig2u]_b[_cons] ) > scalar `tau_r2' = _pi2/3 > > di `sigma_f2' / (`sigma_f2' + `tau_02' + `tau_r2') * * 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/