[R] Re : SVM regression code

there is svmpath package by Trevor Hastie  Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 De : Alex Roy alexroy2...@gmail.com À : r-help@r-project.org Envoyé le : Jeudi, 19 Février 2009, 9h19mn 18s Objet : [R] SVM regression code Dear R

[R] Re : standard error of logit parameters

Run outfit-nlm(..., hessian=T) and then standards error are se-diag(solve(outfit$hessian))   Justin BEM BP 1917 Yaoundé Tél (237) 76043774   De : Bomee Park bom...@stanford.edu À : r-help@r-project.org Envoyé le : Jeudi, 29 Janvier 2009, 4h01mn 56s

[R] Re : Need help on running Heckman Correction Estimation using R

See the micEcon package. there is and heckit function  Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 De : Kishore gladikish...@gmail.com À : r-help@r-project.org; r-h...@stat.math.ethz.ch Envoyé le : Mardi, 27 Janvier 2009, 11h54mn 00s

[R] Specify nonlinear equation with nlme

Dear all, I want to estimate a nonlinear mixed effect model using nlme package or lme4. How can I specify this y=exp(B'X)/(1+exp(B'X)). the same model can be obtained with logit(y)=B'X but I have many value of 1 in y logit(1)=Inf. Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237

[R] specify formula for nonliear mxed model equation

How can I specify formula using nlme to estimate y=exp(X'B)/(1+exp(X'B)) ? Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch

[R] problem with Surv

) + : Response must be a survival object Can you help me ? Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman

[R] Re : A package to set up a questionnaire enter data

I don't believe there exist one ! but for that purpose I use CSPRO who is free !  http://www.census.gov/ipc/www/cspro/  Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 À : r-help@r-project.org Envoyé le : Jeudi, 11 Décembre 2008, 1h35mn

[R] Re : growing a list sequentially -- memory management

that 100 loops for ( i in 1: length(sh)){     index-st(i):st(i+1)     myres(tapply(index, factor(index),gen     sqlwrite(myres,connexion,append=(i1)) } It will be more faster .  Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 De : Patrick

[R] A R forum for sub-saharan African R user

in the describe in fortune(83) Justin BEM BP 1917 Yaoundé Tél (237) 0023776043774 [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http

[R] Re : Regarding lme functions

in nlme package you the intervals function. myfit-lme(...) intervals(myfit) Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 De : ratna ghosal [EMAIL PROTECTED] À : r-help@r-project.org Envoyé le : Lundi, 10 Novembre 2008, 17h51mn 51s Objet

[R] Get Information

KAMENI Justin Etudiant en Master en Statistique Option: Econométrie, Assurance et Finance Data Management et Data Mining Gsm: 0032487710413 Route de Blocry 29/003 [[alternative HTML version deleted]] __ R-help@r-project.org mailing list

[R] sample selection mixed-effects model with nlme

Dear all, I want to estimate this equation with repeated data. log(y)=b0+b1*log(x1)+b2*log(x1)+B'Z+u if y=0 then log(y) is undefined.  It seem to be a tobit model with panel data, can I do this in R with nlme, lme or plm ? If not is it valid to use a two step procedure ? Justin BEM BP

[R] Re : panel data maximum likelihood function

see plm, or lmer packages Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 De : Migle Purzelyte [EMAIL PROTECTED] À : r-help@r-project.org Envoyé le : Lundi, 3 Novembre 2008, 0h26mn 21s Objet : [R] panel data maximum likelihood function Hi

[R] Re : how to restrict a parameter in optim()

Where is the problem ? then you have to write the objective function with the restriced value before call optim() Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 De : Luis SAGAON TEYSSIER [EMAIL PROTECTED] À : r-help@r-project.org Envoyé le

[R] Re : (a) Credit Scoring models and (b) aceesing earlier emails

Go to this link http://defaultrisk.com/ you will find a lot about credit scoring Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 - Message d'origine De : saggak [EMAIL PROTECTED] À : r-help@r-project.org Envoyé le : Mardi, 14 Octobre 2008, 9h11mn 53s Objet : [R

[R] matrix with different type of column [SEC=UNCLASSIFIED]

Hi, I would like to create a matrix. Say 5*4. The first column is integer, the second column is date, the third column is character and the rest columns are integers. So it's a combination of different types. I am wondering how can I do that? matrix command only allow one type.

[R] Multilevel SEM

Dear all, Is it possible to estimate a SEM with panel data in R ? Sincerly  Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https

[R] Tool for simple two class Fisher linear discriminant analysis?

Use lda in MASS package Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 - Message d'origine De : Yip [EMAIL PROTECTED] À : r-help@r-project.org Envoyé le : Jeudi, 18 Septembre 2008, 8h04mn 23s Objet : [R] Tool for simple two class Fisher linear discriminant analysis

[R] Re : How to import package into R script

Read documentation carefully ! see ?library (e.g library(tseries)) Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 - Message d'origine De : Edward Wijaya [EMAIL PROTECTED] À : r-help@r-project.org Envoyé le : Vendredi, 23 Mai 2008, 4h23mn 06s Objet : [R] How

[R] kernel matching pursuit

Has anyone come up with some routines that will perform kernel matching pursuit, or orthogonal matching pursuit? I was hoping for something similar to what matlab has with wavelab: http://www-stat.stanford.edu/~wavelab/ Best, -Justin -- Justin Donaldson PhD Candidate, Informatics Indiana

Re: [R] one/multi-dimensional scaling with incomplete dissimilarity matrix

use is appropriate for your data. Best, -Justin On Wed, Mar 19, 2008 at 12:43 PM, Loic Thibaut [EMAIL PROTECTED] wrote: Dear David, you asked this question a while ago on the R mailing list and got no answer. I have the same problem and was wondering if you had found a solution Cheers

[R] coxme() random effect syntax

rock movement (BEDLOAD) as a random co-variate, which is not possible with the coxph() function. Is it possible to do so with coxme() in the kinship package? If so, what is the proper syntax? Thanks for any help. Justin Montemarano __ R-help@r

[R] Re : Unable to save plot as .pdf , ps , eps

I simply use pdf(test.pdf) plot(rnorm(10)) dev.off() postscript(test.ps) plot(rnorm(10)) dev.off() Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 - Message d'origine De : Luis Ridao Cruz [EMAIL

[R] Re : writing a categorical var. with condition

see also ?cut Justin BEM BP 1917 Yaoundé Tél (237) 99597295 (237) 22040246 - Message d'origine De : [EMAIL PROTECTED] [EMAIL PROTECTED] À : sigalit mangut-leiba [EMAIL PROTECTED] Cc : r-help [EMAIL PROTECTED] Envoyé le : Vendredi, 2 Novembre 2007, 22h33mn 52s Objet : Re: [R

[R] Post-hoc tests for Cox proportional hazards

which treatments are responsible for these results. My experience with proportional hazards tests is minimal, so if I need to provide more details, please let me know. Thanks for any help. Justin [[alternative HTML version deleted]] __ R-help@r

[R] Re : how to create this graph?

Try this plot.new() plot.window(xlim=c(0,10), ylim=c(0,15)) rect(1,0,2,10) rect(2,0,4,4.1,col=grey) rect(2,4.1,4,10,col=grey) segments(0, 0, 5, 0) segments(0, 10, 5, 10) text(3,3.5,41) text(3,6, 51) text(4.5,3..5,G/V) text(4.5,6, U) Justin BEM BP

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