search for: statisticien

dear all, I get internet via a proxy server when I try to downlaod package it always fail. Even when i add and environnment variable for the http proxy server. I use windows XP SP2 Sincerly Justin BEM El?ve Ing?nieur Statisticien Economiste BP 294 Yaound?. T?l (00237)9597295.

...r one categorical variable : > tt <- c("a","a","b","a","c") > tt <- factor(tt) > model.matrix(~ tt - 1) is there anyone who have write such function ? Thanks for your help. Samir Messad Samir Messad E-Mail : messad at cirad.fr Statisticien CIRAD-EMVT TA 30/A Programme Productions Animales Campus de Baillarguet 34398 Montpellier cedex 5 (France) T?l : +33 (0)4-67-59-38-44 Fax : +33 (0)4-67-59-38-25 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~...

...rn Datamining or KDD (Knowledge Discovery in Database) and if already exists a R package specialized in this kind of analysis. I found this contributes on the R web site: [20] Diego Kuonen. Introduction au data mining avec R : vers la reconqu??te du `knowledge discovery in databases' par les statisticiens. Bulletin of the Swiss Statistical Society, 40:3-7, 2001. [ bib | http://www.statoo.com/en/publications/2001.R.SSS.40/ ] [21] Diego Kuonen and Reinhard Furrer. Data mining avec R dans un monde libre. Flash Informatique Sp??cial ??t??, pages 45-50, sep 2001. [ bib | http://sawww.epfl.ch/SIC/SA/pub...

Does anyone know if there is a package or other method of reading Genstat files directly into R. Genstat isn't listed in the foreign package. Many thanks, Graham [[alternative HTML version deleted]]

Excuses I have a mistake in previous mail Type stats:::t.test.defaultThe formal way is to use getAnywhere(t.test) Justin BEM Elève Ingénieur Statisticien Economiste BP 294 Yaoundé. Tél (00237)9597295. ----- Message d'origine ---- De : justin bem <justin_bem@yahoo.fr> À : Weiwei Shi <helprhelp@gmail.com> Cc : R-help@stat.math.ethz.ch Envoyé le : Mardi, 12 Décembre 2006, 15h40mn 52s Objet : Re : [R] implementation of t.test Try this...

...s : check for description ... OK .... removing junk files but "cannot open pyra/description" and Install failed. I use windows XP, with and intel PIV with 2.66GHZ and 512MO of memory. Can you help me ? Justin BEM El佽ve Ing侀nieur Statisticien Economiste BP 294 Yaound侀. T侀l (00237)9597295. --------------------------------- [[alternative HTML version deleted]]

Hello UseRs: Excuses for my english. I have a dataset with 65000 records and I'd like to make a summary where I can view all the values (with the number of times that it repeats) that there are each column of my dataset. I tried with summary( ), str( ), but nothing gives me the result that I am loking for. Thank you very much.

...t be nice sometimes to show them, but it would also be the occasion to demonstrate R possibilities for newcomers (think on color graphics including mathematics). R would never have enough publicity! Eric __________________________________________________ Eric Lecoutre Informaticien/Statisticien Institut de Statistique UCL (+32) (0)10 47 30 50 lecoutre at stat.ucl.ac.be http://www.stat.ucl.ac.be/ISpersonnel/lecoutre __________________________________________________ Le vrai danger, ce n'est pas quan...

Bonjour, j'ai l'honneur de vous informer que je postule ? la liste de diffusion pour des fins utiles de cette formation "MOOC". Salutations ? toute l'?quipe d'encadrement. Cordialement. -- *DOUMBOUYA Moussa* *Epid?miologiste bio statisticien* ************************** Certifi? en FETP premi?re ligne en Guin?e *Chef de section pr?vention et lutte contre la maladie* *District sanitaire de MANDIANA * *R?p. Guin?e Conakry* *T?l : +224 628 652 583* *Adresse e-mail : **doumbouyam822 at gmail.com* <doumbouya822 at gmail.com> [...

...nd programmation). The code of R2HTML is certainly not the most efficient. In particular, I would ba happy to benefit of a real programmer's experience to improve the exportation of lists objects. __________________________________________________ Eric Lecoutre Informaticien/Statisticien Institut de Statistique UCL (+32) (0)10 47 30 50 lecoutre at stat.ucl.ac.be http://www.stat.ucl.ac.be/ISpersonnel/lecoutre __________________________________________________ Le vrai danger, ce n'est pas qua...

...any programming materials which was used in that paper. So I am in confuse how to aply bootstrap ABC parametric confidence intervals method. I will be grateful to anyone who will send me any programming information about that purpose which I can use in my research work. Thank you Serge Thiffeault Statisticien Microcell Labs Tel: (514) 937-0102 ext: 8359 Serge.Thiffeault at microcell.ca -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe...

...p.value=1-pchisq(G2,dll) out=list(estimate=G2,dll=dll,p.value=p.value,dim=dim(x),name="Mantel-Haenszel Chi-square") return(out) } --------------------------------------------------------- Eric __________________________________________________ Eric Lecoutre Informaticien/Statisticien Institut de Statistique UCL (+32) (0)10 47 30 50 lecoutre at stat.ucl.ac.be http://www.stat.ucl.ac.be/ISpersonnel/lecoutre __________________________________________________ Le vrai danger, ce n''est pas...

...the first question x'(y-bx)<>0 or Cov(Ui,Xi)<>0 you have heterogeinity problem ! OLS estimator in this case in biased. The bias is equal to (Exx')^{-1}Exu You obtain obtain correct estimator by use instrumental variable or 2SLS ... Justin BEM Elève Ingénieur Statisticien Economiste BP 294 Yaoundé. Tél (00237)9597295. ----- Message d'origine ---- De : "Leeds, Mark (IED)" <Mark.Leeds@morganstanley.com> À : r-help@stat.math.ethz.ch Cc : C. Park <cspark@ces.clemson.edu> Envoyé le : Mardi, 5 Décembre 2006, 21h42mn 21s Objet : [R] stat question...

see nlm or optim Justin BEM Elève Ingénieur Statisticien Economiste BP 294 Yaoundé. Tél (00237)9597295. ----- Message d'origine ---- De : Wayne Delport <wdelport@botzoo.uct.ac.za> À : r-help@stat.math.ethz.ch Envoyé le : Vendredi, 8 Décembre 2006, 8h27mn 44s Objet : [R] formula format for parameter estimation Hello, I am trying to input the f...

May be you are also not familiar with statistic. the solution of min \sum_{i=1}^{n} (y_{i}-b)^{2} is the mean. So the solution is b<-mean(y) Justin BEM Elève Ingénieur Statisticien Economiste BP 294 Yaoundé. Tél (00237)9597295. ----- Message d'origine ---- De : Kåre Edvardsen <ked@nilu.no> À : R-help <r-help@stat.math.ethz.ch> Envoyé le : Vendredi, 8 Décembre 2006, 13h20mn 10s Objet : [R] A smal fitting problem... Dear R-helpers, I'm for sure not famili...

Try this >stats.t.test.default Best wishes. Justin BEM Elève Ingénieur Statisticien Economiste BP 294 Yaoundé. Tél (00237)9597295. ----- Message d'origine ---- De : Weiwei Shi <helprhelp@gmail.com> À : r-devel-request@stat.math.ethz.ch Cc : r-help <R-help@stat.math.ethz.ch> Envoyé le : Mardi, 12 Décembre 2006, 1h05mn 46s Objet : [R] implementation of t.test Hi, t...

Hello everybody I'm very new at using R so probably this is a very stupid question. I have a matrix of "p" columns and I have to calculate for each of them the "two sample t-statistic" and p-value and to save the results into two different vectors. I have divided my matrix into two submatrices: submatrix A containing the first "n1" rows (p columns) and submatrix B

Full_Name: olivier Version: 2.7.0 OS: mac os 10.5.2 Submission from: (NULL) (62.39.72.218) Identify function does not work properly. Esc button does not stop the process and R crashes. On qqplots graphic, identify() does not find any points. It is a serious problem, I can't identify points without crashing R now. PS : Identify does not work on multiple graphics (par(mfrow=c(2,2))

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