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Dear bug-busters, This week I've posted a message to the R-help mailing to inquire if anybody had experienced alike me. When I run the following GLM: glm(n~s+c+m, family=quasi(link=log, variance=mu)) several times using exactly the same dataset R crashes at random. I have tried to probe into the problem by tracking the response times of the above function with system.time (e.g.

Dear R-helpers, Im trying to fit a Log-linear model on a dataset with bird counts from 60 sites over 14 years for 12 months each (factors for the models). One of the aims is to predict the missing values in this dataset with model predictions. Ive first tried to work with GLM's, that worked fine except for models with one or more interaction-terms. The GLMs run, run .. for hours. So I

...iles & lists in .C From: Peter Dalgaard BSA <p.dalgaard@biostat.ku.dk> Date: 05 May 1999 00:32:49 +0200 --S objects in .C calls (not just lists) are now documented in the help file --Should we not make the buffer static? * PR# 197 * Subject: glm crash From: Cor en Aylin <Cor.Berrevoets@gironet.nl> Date: Fri, 21 May 1999 19:44:23 +0200 --Obscure report. Cannot reproduce from given info. * PR# 210 * Subject: definition of R_problem_buf in S.h From: vogels@ieee.org Date: Mon, 14 Jun 1999 17:56:04 +0200 (MET DST) --Same as #185 Directory: Misc * PR# 91 * Subject: possible bug From: Ras...

...iles & lists in .C From: Peter Dalgaard BSA <p.dalgaard@biostat.ku.dk> Date: 05 May 1999 00:32:49 +0200 --S objects in .C calls (not just lists) are now documented in the help file --Should we not make the buffer static? * PR# 197 * Subject: glm crash From: Cor en Aylin <Cor.Berrevoets@gironet.nl> Date: Fri, 21 May 1999 19:44:23 +0200 --Obscure report. Cannot reproduce from given info. * PR# 210 * Subject: definition of R_problem_buf in S.h From: vogels@ieee.org Date: Mon, 14 Jun 1999 17:56:04 +0200 (MET DST) --Same as #185 Directory: Misc * PR# 91 * Subject: possible bug From: Ras...

...ject: Re: [R] R_problem_buf in the S.h files & lists in .C From: Peter Dalgaard BSA <p.dalgaard@biostat.ku.dk> Date: 05 May 1999 00:32:49 +0200 --S objects in .C calls (not just lists) are now documented in the help file * PR# 197 * Subject: glm crash From: Cor en Aylin <Cor.Berrevoets@gironet.nl> Date: Fri, 21 May 1999 19:44:23 +0200 --Obscure report. Cannot reproduce from given info. * PR# 210 * Subject: definition of R_problem_buf in S.h From: vogels@ieee.org Date: Mon, 14 Jun 1999 17:56:04 +0200 (MET DST) --Same as #185 Directory: Misc * PR# 91 * Subject: possible bug From: Ras...

...ject: Re: [R] R_problem_buf in the S.h files & lists in .C From: Peter Dalgaard BSA <p.dalgaard@biostat.ku.dk> Date: 05 May 1999 00:32:49 +0200 --S objects in .C calls (not just lists) are now documented in the help file * PR# 197 * Subject: glm crash From: Cor en Aylin <Cor.Berrevoets@gironet.nl> Date: Fri, 21 May 1999 19:44:23 +0200 --Obscure report. Cannot reproduce from given info. * PR# 210 * Subject: definition of R_problem_buf in S.h From: vogels@ieee.org Date: Mon, 14 Jun 1999 17:56:04 +0200 (MET DST) --Same as #185 * PR# 235 * Subject: round(numeric(0)) From: Prof Brian Rip...

...* Subject: summary() of lm() problem From: Simon Fear <fears@roycastle.liv.ac.uk> Date: Tue, 9 Mar 1999 13:18:37 -0000 --lm (?) AND Windows problem; Win solved (fudged) for 0.63.3 -- --Another low-level buffer-size problem * PR# 197 * Subject: glm crash From: Cor en Aylin <Cor.Berrevoets@gironet.nl> Date: Fri, 21 May 1999 19:44:23 +0200 --Obscure report. Cannot reproduce from given info. * PR# 296 * Subject: source(,echo=T) doesn't echo comments From: Thomas Lumley <thomas@biostat.washington.edu> Date: Thu, 21 Oct 1999 08:59:22 -0700 (PDT) --Currently, a feature Directory: M...

...* Subject: summary() of lm() problem From: Simon Fear <fears@roycastle.liv.ac.uk> Date: Tue, 9 Mar 1999 13:18:37 -0000 --lm (?) AND Windows problem; Win solved (fudged) for 0.63.3 -- --Another low-level buffer-size problem * PR# 197 * Subject: glm crash From: Cor en Aylin <Cor.Berrevoets@gironet.nl> Date: Fri, 21 May 1999 19:44:23 +0200 --Obscure report. Cannot reproduce from given info. * PR# 296 * Subject: source(,echo=T) doesn't echo comments From: Thomas Lumley <thomas@biostat.washington.edu> Date: Thu, 21 Oct 1999 08:59:22 -0700 (PDT) --Currently, a feature * PR# 343 * Su...

I am trying to fit a GLM model using R (version 0.64.1 Win95) onto a dataframe(dtse) consisting of 3348 rows with 4 variables: - 3 factors: (c)31 levels, (m)12 levels (s)9 levels) - 1 integer: (n) The data consists of counts and is strongly overdispersed. I try fit the following model dtse.glm<- glm(n~s+c+m, data=dtse, family=quasi(link=log, variance=mu)) When I issue this command R sometimes