Re: [R] Advice on use of R for Generalised Linear Modelling

2013-08-12 Thread Yvonnick Noel
e use of GLM is quite intuitive. HTH, Yvonnick Noel Psychology and Statistics University of Britanny, Rennes France __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-projec

Re: [R] Superpose two QQ-plots (gamma distribution) with, lattice function qqmath()

2013-06-22 Thread Yvonnick Noel
David, Duncan, Hi Following on David's rate argument try (with modifications of pch and grid) rate <- 1/4 shape = 8 rate = c(rep(1/4,100),rep(1/3,100)) I don't think the problem is related to the rate argument, which can well be vectorized, as is the case for a number of arguments in distri

[R] Superpose two QQ-plots (gamma distribution) with lattice function qqmath()

2013-06-21 Thread Yvonnick Noel
ata series seem to be reproduced twice, somewhat rescaled. I don't understand what this mean. What am I doing wrong? Thanks a lot for your help, Yvonnick Noel University of Brittany, Rennes Dpt. of Psychology France __ R-help@r-project.org mai

[R] New Book: Statistical Psychology with R [in French]

2013-01-22 Thread Yvonnick Noel
of the AtelieR and R2STATS packages (a GUI for GLM and GLMM in R). In addition to classical and Bayesian inference on means, direct and Bayesian inference on effect size and standardized effects are presented. I hope you might find this book useful, Best regards, Yvonnick Noel University of

Re: [R] a confidence interval from an ANOVA model

2013-01-22 Thread Yvonnick Noel
o the multiple comparisons problem. Journal of Data Science, 4, 131-146. Besides, it will give you the best constrained model (in terms of equal means) for your data, and the probability that this model is the true one. It is an elegant solution to the multiple comparisons problem. HTH, Yvonnick N

Re: [R] Idea/package to "linearize a curve" along the diagonal?

2012-03-14 Thread Yvonnick Noel
g the same transformation to it. It is unclear to me what you mean by "diagonal" but I suspect what you're looking for is to locate projected points onto the unfolded curve. That is exactly what coordinates on the principal curve would give you. Sorry if I misunderstood your point, Yv

Re: [R] GTK

2012-02-20 Thread Yvonnick Noel
under the R tree, so if you had write access when installing R itself, you should have no problem. HTH, Yvonnick Noel University of Brittany, Rennes 2 France __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do

Re: [R] Bayesian data analysis recommendations

2012-01-23 Thread Yvonnick Noel
means). There are also some automatic search procedures of the best model, when comparing several means, proportions, or rows in a contingency table. Hope this may be useful, Yvonnick Noel University of Brittany Department of Psychology Rennes, France Dear all, I am trying to learn Bayesian infe

Re: [R] An R interface to Model Building

2012-01-04 Thread Yvonnick Noel
ting and comparing various models (GLM and GLMM), both in a frequentist and a Bayesian approach. Best, Yvonnick Noel University of Brittany at Rennes Department of Psychology France __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listin

Re: [R] SPSS -> R

2011-12-01 Thread Yvonnick Noel
Dear Kristi, Also. can anyone recommend any resources to help SPSS users learn to things in R? You may want to have a look at the R2STATS package, a simple GUI for linear models. Best, Yvonnick Noel University of Brittany Department of Psychology Rennes, France

Re: [R] window manager interface commands for linux

2011-11-29 Thread Yvonnick Noel
How can i replicate this in Linux: source(file.choose()) I've tried source(tkgetOpenFile()) but with no luck library(gWidgetsRGtk2) options(guiToolkit="RGtk2") gfile(cont=T) Yvonnick Noel University of Brittany at Rennes Rennes, France _

Re: [R] SPSS F-test on change in R square between hierarchical models

2011-11-24 Thread Yvonnick Noel
r not that particular variable (and there may be several ways to do that, each leading to possibly different F-values). Yvonnick Noel University of Brittany Department of Psychology Rennes, France __ R-help@r-project.org mailing list https://stat.ethz.

[R] New package announcement: R2STATS, a GUI for fitting GLM and GLMM

2011-10-11 Thread Yvonnick Noel
ge works flawlessly with the current R-2.13.2). Any comment welcome. Also, if you are willing to contribute a translation into your language, please let me know. Best, Yvonnick Noel, PhD. University of Brittany Rennes, France __ R-help@r-project.

Re: [R] Hysteresis modeling and simulation

2011-09-05 Thread Yvonnick Noel
response. This is what I did here with a beta distribution for continuous bounded responses: http://webcolleges.uva.nl/mediasite/Viewer/?peid=c7a7b041327f4db09dc2fc3a7872aa5a1d HTH, Best, Yvonnick Noel University of Brittany, Rennes 2 France __ R-help

Re: [R] Object oriented programming in R.

2010-09-15 Thread Yvonnick Noel
I think you should have a look at the 'proto' package on CRAN. Yvonnick Noel University of Brittany, Rennes France __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide ht

[R] Lattice: Superimposing histograms with different colors and transparency effects

2010-08-13 Thread Yvonnick NOEL
how to manage this. -> Fourth question: I would like the bar borders to have colors that also vary from group to group, but unlike the 'col=' argument, adding a 'border=mycolors' argument in the histogram function call change colors from bar to bar! Thank you very much

Re: [R] Wrong symbol rendering in plots (Ubuntu)

2010-06-07 Thread Yvonnick Noel
Hello Ben, Does the workaround pointed out later in the thread you're responding to (from the last paragraph of a very long 'Note' section of ?pdf) help? Well, I did not try to edit my fonts.conf but I feel this is not a PDF issue. I have no problem to have greek letters correctly rendered i

Re: [R] Wrong symbol rendering in plots (Ubuntu)

2010-06-05 Thread Yvonnick NOEL
Hello, I have the very same problem. Plotting code that used to work before I upgraded to Ubuntu Lucid Lynx does not work anymore. For example: plot(1:10) text(6,4,expression(pi)) The 'pi' greek letter appear as a \neq ("different from" sym

Re: [R] How to run Shapiro-Wilk test for each grouped

2010-04-13 Thread Yvonnick Noel
one normality test on the residuals is necessary (no need for a loop). Best wishes, Yvonnick NOEL, PhD. University of Brittany, Rennes 2 France __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting

Re: [R] How to run Shapiro-Wilk test for each grouped variable?

2010-04-12 Thread Yvonnick Noel
want to do a single normality test on group-centered data : shapiro.test(residuals(lm(data[,1]~groupFactor))) HTH, Yvonnick Noel University of Brittany, Rennes 2 France __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help

Re: [R] Comparing two groups of proportions

2008-06-11 Thread Yvonnick NOEL
kinds, to get four counts by condition. These events are probably independent within your setting. You should then be able to test various binomial or Poisson models with the proper equality constraints. HTH, Yvonnick Noel, PhD University of Brittany at Rennes France Re: [R] Comparing two groups

[R] Ancova_non-normality of errors

2008-05-05 Thread Yvonnick NOEL
better, in terms of qqplot adjustment or comparative fit indicies (AIC, BIC,...). HTH, Yvonnick Noel, PhD University of Brittany France Message: 1 Date: Sun, 04 May 2008 11:56:09 +0200 From: Tobias Erik Reiners <[EMAIL PROTECTED]> Subject: [R] Ancova_non-normality of errors To: r-help@r-pro

[R] Multiply a 3D-array by a vector (weighted combination of matrices)

2007-10-17 Thread Yvonnick NOEL
Hello, I would like to compute a weighted combination of matrices. I have a number of matrices, arranged in a 3D-array, say: z = array(rep(1:3,c(9,9,9)),c(3,3,3)) so that z[,,1] is my first matrix, and z[,,2] and z[,,3] the second and third one, and a vector of coefficients: w = rep(1/3,3) I