similar to: extract from a data frame

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

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

Oats[Oats$Variety %in% c("Victory", "Golden Rain"),] or subset(Oats, Variety %in% c("Victory", "Golden Rain")) Stefano -----Messaggio originale----- Da: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch]Per conto di elyakhlifi mustapha Inviato: luned? 23 aprile 2007 9.56 A: R-help at stat.math.ethz.ch Oggetto: [R] extract from

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,

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

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 :

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,

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:

Dear R users, this is a follow up of this message http://tolstoy.newcastle.edu.au/R/e6/help/09/05/13897.html I'm reproducing the core of it for convenience. > // > / data(Oats, package = "MEMSS") / > / tp1.oats <- xyplot(yield ~ nitro | Variety + Block, / > / data = Oats, / > / panel = function(x, y, subscripts, ...) { /

When we call a lattice function such as xyplot, to what extent does the "data" designation cause the function to look inside the "data" for variables? In the examples below, the "subset" argument understands that "Variety" is a variable in the data. But the "scales" argument does not understand that "nitro" is a variable in the data.

I am trying to do Tukey HSD comparisons on a repeated measures expt. I found the following example on r-help and quoted approvingly elsewhere. It is broken. Can anyone please tell me how to get it to work? I am using R 2.4.1. > require(MASS) ## for oats data set > require(nlme) ## for lme() > require(multcomp) ## for multiple comparison stuff > Aov.mod <- aov(Y ~ N + V +

Dear all, I have a problem. I have m variables each of which has n observations. I want to calculate pairwise correlation among the m variables and store the values in a m x m matrix. It is extremely slow to use nested 'for' loops if m and n are large. Is there any efficient alternative to do this? Many thanks for your suggestions!! Bill

Hello, I am a new user of R statistical project. So, I have a matrix (4 columns and 330 rows) and I would like to have PCA (Principal Component Analysis). Besides, I would like to draw every 30 rows from 330 with a different colour but I don’t know how. Could you help me by showing how can I draw every 30 rows with a different colour? Thank you very much Selim

Dear R-supporters, I have results of lme similar to those shown in Fig. 1.21, p.51 of Pinheiro/Bates. However, In my data set, one of the panels is missing, leading to an ugly frame shift of the following panels. How can I replace one of the panels by an empty one to restore the raster? Dieter Menne --------------------------------------- Dr. Dieter Menne Biomed Software 72074 T?bingen Tel

Hi all, I checked the following page but it is not exhaustive: http://wiki.xensource.com/xenwiki/IntelVT (it actually doesn''t even lists Core 2 Duo as supporting Intel-VT [it lists Core Duo though]... I''m not familiar with Wikis, I don''t know how I can change this myself [and I don''t know either if I''m allowed to change it]) Could all the people

Hello, I am searching for code in C++ or fortran for Modified Bessel function of third kind (fractional or real order). Can someone help me? Thank you --------------------------------- Découvrez un nouveau moyen de poser toutes vos questions quelque soit le sujet ! Yahoo! Questions/Réponses pour partager vos connaissances, vos opinions et vos expériences. Cliquez ici.

Hi all, I''ve got a few questions : - can xend be started inside a modified guest? - can xend be started inside an unmodified guest? - what would be a simple way from a shell script to detect wether we''re inside a domU or a dom0? (taking into account the fact that the same kernel as reported, say, by "uname -a", could be running in the dom0 and the domUs) Thanks in