Re: [R] waldtest and nested models - poolability (parameter stability)

onformable arguments Cheers Roberto - Original Message - From: "Achim Zeileis" To: "Patuelli Roberto" Cc: Sent: Monday, December 06, 2010 9:38 PM Subject: Re: [R] waldtest and nested models - poolability (parameter stability) On Mon, 6 Dec 2010, Roberto Patuelli wro

[R] waldtest and nested models - poolability (parameter stability)

lts are not reliable because of the overdispersion - basically without correcting for overdispersion almost every variable is highly significant anova(inv.log.leva.base, inv.log.leva, test = "Chisq") Thanks everyone! Best regards, Roberto Patuelli **** Roberto Pat

[R] anova for plm objects

'panelmodel')" waldtest > waldtest(depFE.plm, depLDFE.plm) Errore in modelCompare(objects[[i - 1]], objects[[i]], vfun = vcov.) : models are not nested Did anyone code a plm method for anova? OR Does anyone know why according to waldtest my models are not nested? Thanks Ro

Re: [R] Percentage effects in logistic regression

-- HTH, Daniel - cuncta stricte discussurus - -Ursprüngliche Nachricht- Von: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Im Auftrag von Roberto Patuelli Gesendet: Monday, November 09, 2009 12:04 PM An: r-help@r-project.org Betreff: [R] Pe

Re: [R] Percentage effects in logistic regression

.0473328 4.35 0.000 .1129334 .2984747 -- HTH, Daniel - cuncta stricte discussurus - -Ursprüngliche Nachricht- Von: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Im Auftrag von Roberto Patuelli

[R] Percentage effects in logistic regression

est regards, 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 F

[R] Fitted values and residuals from glmmPQL (MASS package)

columns of fitted values. There's probably something about the way mixed models are treated in R that I'm not catching here... Can someone help me? Thanks and best regards, Roberto Patuelli ******** Roberto Patuelli, Ph.D. Post-doc researcher Institute for Economic Res

[R] Joint significance of more regressors in summary

ard error and a p-value for each set. But the degrees of freedom of the model would in reality be different... Thanks in advance for any help! Cheers Roberto Patuelli Post-doc researcher Institute for Economic Research (IRE) University of Lugano Email: roberto.patue...@lu.unisi.ch Homepage: h

[R] Marginal effects in negative binomial

compute them. Thanks in advance for your help. Roberto Patuelli Roberto Patuelli, Ph.D. Post-doc researcher Institute for Economic Research (IRE) University of Lugano (USI) via Maderno 24, CP 4361 CH-6904 Lugano Switzerland Phone: +41-(0)58-666-4166 Email: [EMAIL PROTECTED

[R] Problem with glm.nb estimation

stepwise procedure fails at the first step (I know step() is not made for the glm.nb() function, but it usually works just fine for me). Thanks in advance to everyone who might drop his/her two cents on what the problem is. Sincerely, Roberto **** Roberto Patuelli, Ph.D. Post-doc re