From: Roger Bivand <Roger.Bivand_at_nhh.no>

Date: Sat 29 Oct 2005 - 18:45:44 EST

Date: Sat 29 Oct 2005 - 18:45:44 EST

On Sat, 29 Oct 2005, Patrick Giraudoux wrote:

> Dear Listers,

*>
**> I got this message when compiling a package:
**>
**> * creating pgirmess-manual.tex ... OK
**> * checking pgirmess-manual.text ... ERROR
**> LaTex errors when creating DVI version.
**> This typically indicates Rd problems.
**>
**> The message is quite explicit but I struggled a lot before understanding
**> that the trouble comes from a single file "selMod.rd" among 44 topics.
**> Even though I have checked it ten times and even rewrite it on
**> prompt(selMod), I cannot find out what is wrong with it.
**>
**> Can somebody used with LaTex and the format of R *.rd file have a quick
**> look to the attached contents and tell me if he can detect some obvious
**> faulty writing?
*

*>
*

> Thanks in advance,

*>
**> Patrick
**>
**>
**>
**> \name{selMod}
**> \alias{selMod}
**> \alias{selMod.lm}
**> \alias{selMod.glm}
**> \alias{selMod.list}
**>
**> \title{ Model selection according to information theoretic methods }
**> \description{
**> Handles lm, glm and list of models lm, glm, lme and nlme objects and
**> provides parameters to compare models according to Anderson et al. (1998)
**> }
**> \usage{
**> selMod(aModel, Order = "AICc", ...) group method
**>
**> selMod.lm(aModel, Order = "AICc", dropNull = FALSE, selconv=TRUE, ...)
**> selMod.list(aModel, Order = "AICc", ...)
**> }
**>
**> \arguments{
**> \item{aModel}{ a lm or glm model or a list of lm or glm models }
**> \item{dropNull}{ if TRUE, drops the simplest model (e.g. 'y~1') }
**> \item{Order}{ if set to "AICc" (default) sort the models on this
**> parameter, otherwise "AIC" is allowed }
**> \item{selconv}{ if TRUE (default) keep the models for which
**> convergence is obtained (glm object only) and with no anova singularity
**> (lm and glm) }
**> \item{...}{ other parameters to be passed as arguments (not used here) }
**> }
**>
**> \details{
**> This function provides parameters used in the information theoretic
**> methods for model comparisons. lm and glm objects can be passed directly
**> as the upper scope of term addition (all terms added).
**> Every model from 'y~1' is computed adding one term at a time until the
**> upper scope model is derived. A list of user specified lm, glm, lme or
**> nlme objects can alternately be passed.
**> }
**>
**> \value{
**> A list with the following items:
**> \item{AIC}{a data.frame including LL, the maximized log-likelihood; K
**> the number of estimated parameters; N2K, number of observations/K; AIC,
**> the Akaike index criterion; deltAIC, the difference between AIC and the
**> lowest AIC value; w_i, the Akaike weights; AICc, the second order Akaike
**> criterion; deltAICc, the difference between AICc and the lowest AICc
**> value; w_ic, the AICc weights }
**> \item{models}{the list of models}
**> }
**> \references{
**> Anderson, D.R., Link, W.A., Johnson, D.H. and Burnham, K.P. (2001).
**> Suggestions for presenting the results of data analyses. Journal of
**> Wildlife Management, 65, 373-378; Burnham, K.P. and Anderson, D.R.
**> (2002) Model Selection and Multimodel Inference: a Practical
**> Information-Theoretic Approach, 2nd edn., Springer-Verlag, New York. 353 pp
**> }
**> \author{ Patrick Giraudoux and David Pleydell: pgiraudo@univ-fcomte.fr,
**> dpleydel@univ-fcomte.fr }
**>
**> \seealso{ \code{\link{AIC}},\code{\link{logLik}} }
**> \examples{
**> library(MASS)
**> anorex.1 <- lm(Postwt ~ Prewt*Treat, data = anorexia)
**> selMod(anorex.1)
**> anorex.2 <- glm(Postwt ~ Prewt*Treat, family=gaussian,data = anorexia)
**> selMod(anorex.2)
**> anorex.3<-lm(Postwt ~ Prewt+Treat, data = anorexia)
**> selMod(list(anorex.1,anorex.2,anorex.3))
**> }
**> \keyword{ models }
**>
**> ______________________________________________
**> R-help@stat.math.ethz.ch mailing list
**> https://stat.ethz.ch/mailman/listinfo/r-help
**> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
**>
*

-- Roger Bivand Economic Geography Section, Department of Economics, Norwegian School of Economics and Business Administration, Helleveien 30, N-5045 Bergen, Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43 e-mail: Roger.Bivand@nhh.no ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.htmlReceived on Sat Oct 29 18:52:49 2005

*
This archive was generated by hypermail 2.1.8
: Sat 29 Oct 2005 - 21:15:48 EST
*