[R-sig-ME] Standard errors or t values from glmm.admb
Roberto Patuelli
roberto.patuelli at usi.ch
Tue Jun 22 10:42:49 CEST 2010
Dear All,
I have experimented with estimating a negative binomial mixed model through
the glmmADMB package (that is, using the glmm.admb function).
After an entire night of computing :) I have results (though with a warning
message saying that proper convergence could not be reached). But when I use
summary.glmm.admb, I can only see, with regard to the fixed effects, the
betas estimates, but no standard errors or other measures regarding the
precision of the regression coefficients. See below:
***********************************************************
Fixed effects:
Log-likelihood: -12729.3
Formula: trade ~ factor(YEAR) + factor(contig) + factor(comlang_off) +
factor(colony) + factor(comcol) + factor(col45) + factor(smctry) +
log(dist) + log(I(iPopulation * iGDPpcPPP)) + log(I(jPopulation *
jGDPpcPPP)) + factor(FTA) + log(iPiracy) + log(jPiracy) + e8 + e14 +
e15 + e45 + e53 + e57
(Intercept) factor(YEAR)1997
factor(YEAR)1998 factor(YEAR)1999
factor(YEAR)2000
-5.5350000 0.0139690
0.0368520 0.1594000 0.2116200
factor(YEAR)2001 factor(YEAR)2002
factor(YEAR)2003 factor(YEAR)2004
factor(YEAR)2005
0.2161600 0.3880400
0.4666700 0.5722600 0.5980400
factor(YEAR)2006 factor(contig)1
factor(comlang_off)1 factor(colony)1
factor(comcol)1
0.5235100 0.4576100
0.6817900 0.1317700 -0.0158100
factor(col45)1 factor(smctry)1
log(dist) log(I(iPopulation * iGDPpcPPP)) log(I(jPopulation * jGDPpcPPP))
-0.5674800 -1.2061000
-0.4347800 0.3970300
0.3670800
factor(FTA)1 log(iPiracy)
log(jPiracy) e8 e14
0.3087500 -0.1044300
-0.1283700 -0.1780900 -0.3323800
e15 e45
e53 e57
-0.0052419 -0.2903100
-0.1977900 -0.0892520
***********************************************************
Is anyone more expert than me with this package and can help me getting the
additional information? Or is it just not given? The help files for the
package don't seem to help...
Thanks
Roberto Patuelli
********************
Roberto Patuelli, Ph.D.
Istituto Ricerche Economiche (IRE) (Institute for Economic Research)
Università della Svizzera Italiana (University of Lugano)
via Maderno 24, CP 4361
CH-6904 Lugano
Switzerland
Phone: +41-(0)58-666-4166
Fax: +39-02-700419665
Email: roberto.patuelli at usi.ch
Homepage: http://www.people.lu.unisi.ch/patuellr
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