similar to: Re : Re : implementation of t.test

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, there:

For 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

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,

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 following formula into R for parameter

hello, I'd like know if it's possible to run R with the options BATCH it means not interactively thanks. ___________________________________________________________________________ Découvrez une nouvelle façon d'obtenir des réponses à toutes vos questions ! Profitez des connaissances, des opinions et des expériences des internautes sur Yahoo! Questions/Réponses

hello, I'd like know how to do to extract data from a frame for example how can I do to extract only the data where variety=victory or variety=golden rain thanks. > Oats Block Variety nitro yield 1 I Victory 0.0 111 2 I Victory 0.2 130 3 I Victory 0.4 157 4 I Victory 0.6 174 5 I Golden Rain 0.0 117 6 I Golden Rain

Hello everybody, I have a big problem that I do not manage to solve ! I will be very grateful if you can solve this ! I want to fit a t Copula with the copula package : > student.cop <- ellipCopula("t", param = c(0.5, 0.6, 0.7), dim = 3, dispstr = "un",df=5) > x<-rcopula(student.cop,1000) > fit <- fitCopula(x, student.cop, c(0.5,0.5,0.5,5)) And there is an

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.

hello, I'd like know how to sort a data frame in R for example how I should do to sort by Catholic with swiss data frame like below thanks Fertility Agriculture Examination Education Catholic Infant.Mortality Courtelary 80.2 17.0 15 12 9.96 22.2 Delemont 83.1 45.1 6 9 84.84 22.2

Hi I have write A function to draw pyramid of age. I have two function draw.pyramide(h,f,l) , pyramide(h,f,l) and a data frame with data. I first use package.skeleton("pyra") I got the package structure Then in my shell I use > RCMD build pyra I get this : check for description ... OK .... removing junk files but "cannot open

Hi all, thanks to Mats I managed to compile a custom Linux kernel (2.6.16.29) and Xen 3.0.3. I then did "apt-get bcc" (to be able to build "hvmloader") cd /usr/src/xen...src/tools/ make install Then I could launch Windows XP but I wouldn''t see the SDL window... because qemu-dm has a compile time dependency on SDL devel. "apt-get libsdl1.2-dev" I

Hi all, I''m running XP and 2003 Server fine as HVM guests (under a 32 bit non-pae Xen 3.0.3 self-compiled). I''ve read that Vista can *not* be /installed/ under Xen for it checks for ACPI support and install fails if it isn''t present. What if I do the install first from, say, plain Qemu (I''re reused qemu images from Xen) or VMWare (I''ve converted

Hi, Curiously, it''s worth noting that Xeon Processor 5100 series are not in the list of HVM Compatible Processors : http://wiki.xensource.com/xenwiki/HVM_Compatible_Processors Patrick ----- Message d''origine ---- De : Mohamed Zohny <mohamad.zohny@gmail.com> À : xen-users <xen-users@lists.xensource.com> Envoyé le : Mercredi, 8 Novembre 2006, 9h17mn 08s Objet :

Hello! I have the following problem. My code: --snip-- ergebnisse <- rep(0, each=2) stichproben <- rep(0, each=2) for (i in seq(1:2)) { n <- dim(daten)[1] ix <- sample(n,200) # producing samples samp_i <- daten[ix,] stichproben[i] <- samp_i # doesn???t works # Calculation of the model: posterior_i <- MCMClogit(y ~ fbl.ind + fekq3 + febitda4 + fuvs + fkru +

hello everybody , I''ve a new problem !!!!! When i create a new DOMU, the installer can''t format the Virtual Disk... however, the qemu disk is reconize by the OS (etch stable) but it blocs during the ext3 creation... It ''s the same thing when i use automatic or custum formating partition.... I create my disk img like this: dd if=/dev/zero of=/../../../debian.img

When i do #xm create name.cfg i''ve ADDRCONF(NETDEV_UP): vif2.0: link is not ready My DomU was created but can''t access to network.... What do think about it? I use xen 3.0.4 HVM. Thanks! -- Benjamin HENRION Elève de 4eme année de l'' EXIA (Nancy) Ecole supérieure d''informatique Spé Réseaux _______________________________________________ Xen-users mailing

bonjour , je voudrais savoir de quelle façon est ce qu''on peut savoir les gems installés dans un serveur hebergeur sans avoir acces au SSH ? pour les informations sur rails ou ruby c''est fait ;) en utilisant la commande suivante dans une view : Rails::Info.to_html mais le probleme ça donne pas de detail sur les gems !!!! une idée ?

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Hi, i''ve installed two debian (etch) A et B in hvm mode on a domO (etch) The problem is that only one have an access to network (192.168.6.0)and get an ip from my dhcp server , the other one nothingh.... my xend-config: (network-script network bridge) (vif-script vif-bridge) My vm Config (A) and (B) is the same without the mac @ and the vm name and uuid about network ... vif = [