Mea culpa. Thanks! jpl
David Winsemius wrote: > > Look more thoroughly? > > You should see this about 2/3 the way down the output: > > $ coefficients : num [1:14, 1:4] 3.019 -0.475 -0.709 -0.724 -0.615 ... > ..- attr(*, "dimnames")=List of 2 > .. ..$ : chr [1:14] "(Intercept)" "SexM" "SexF:AgeF1" > "SexM:AgeF1" ... > .. ..$ : chr [1:4] "Estimate" "Std. Error" "z value" "Pr(>|z|)" > > You can also get the same information by entering: > > coef(sumnb1) > > -- > David Winsemius > > On Feb 15, 2009, at 9:40 AM, jpl wrote: > >> >> Hi Dieter, >> >> I don't see anything in the str(model) output that matches the >> standard >> errors of the coefficients given in summary(model). Any other >> suggestion? >> Thanks. >> >> jpl >> >> >> >> Dieter Menne wrote: >>> >>> jpl <s-jlubben1 <at> math.unl.edu> writes: >>> >>>> >>>> How do I extract the standard errors of the coefficients in a glm.nb >>>> model? >>> >>> library(MASS) >>> quine.nb1 <- glm.nb(Days ~ Sex/(Age + Eth*Lrn), data = quine) >>> sumnb1 = summary(quine.nb1) >>> sumnb1 >>> str(sumnb1) # tells you about the anatomy. Check for $coefficients >>> >>> Dieter >>> >>> ______________________________________________ >>> R-help@r-project.org mailing list >>> https://stat.ethz.ch/mailman/listinfo/r-help >>> PLEASE do read the posting guide >>> http://www.R-project.org/posting-guide.html >>> and provide commented, minimal, self-contained, reproducible code. >>> >>> >> >> -- >> View this message in context: >> http://www.nabble.com/extracting-standard-errors-in-glm.nb-tp22019202p22023318.html >> Sent from the R help mailing list archive at Nabble.com. >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > -- View this message in context: http://www.nabble.com/extracting-standard-errors-in-glm.nb-tp22019202p22028365.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
