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Dear all, Has anyone written functions to compute (and ideally project / plot onto a plane) confidence ellipsoids for q linear model parameters, q > 2 ? Greetings and best wishes, Renaud -- Dr Renaud Lancelot, v?t?rinaire CIRAD, D?partement Elevage et M?decine V?t?rinaire (CIRAD-Emvt) Programme Productions Animales http://www.cirad.fr/presentation/programmes/prod-ani.shtml ISRA-LNERV tel (221) 832 49 02 BP 2057 Dakar-Hann fax (221) 821 18 79 (CIRAD) Senegal...

...I would like to calculate a cumulative sum as following: on the i-th row, in the j-th column of a matrix, I would like to obtain the sum of the (i-1) preceding elements of this j-th column. Could I avoid a "for" loop? Thank you, Tristan Lorino ---------------------- ?cole Nationale V?t?rinaire d'Alfort - http://www.vet-alfort.fr, T?l. 01 43 96 70 33 M?l. tlorino at vet-alfort.fr Site personnel : http://daedale.free.fr -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send &quot...

To Windows R users: The binary build of R that I uploaded on Tuesday contained errors in the compiled HTML help files and some of the PDF versions of the manuals. In particular, the index was missing from the CHM files, and the table of contents was missing from at least one of the manuals. I've since found the error in my setup, and have rebuilt the distribution. I uploaded it to CRAN

To Windows R users: The binary build of R that I uploaded on Tuesday contained errors in the compiled HTML help files and some of the PDF versions of the manuals. In particular, the index was missing from the CHM files, and the table of contents was missing from at least one of the manuals. I've since found the error in my setup, and have rebuilt the distribution. I uploaded it to CRAN

...r (Right<Left) I will get the same results with LimbLeft. How to determine the limb with the highest variance? Do I have to refer to the first two models (Variance attributable to Day was a little higher for the Right) ? Any help will be very appreciated, Laurent Fanchon Ecole Nationale V?t?rinaire d'Alfort National Vet School of Alfort (France)

...<- yes; tmp[!test] <- no[!test]; tmp), possibly extended to handle missing values in test. However, is there a way to avoid the evaluation of the alternative expression in ifelse when the argument test is false ? Best regards, Renaud -- Renaud LANCELOT D?partement Elevage et M?decine V?t?rinaire (EMVT) du CIRAD Directeur adjoint charg? des affaires scientifiques CIRAD, Animal Production and Veterinary Medicine Department Deputy director for scientific affairs Campus international de Baillarguet TA 30 / B (B?t. B, Bur. 214) 34398 Montpellier Cedex 5 - France T?l +33 (0)4 67 59 37 17 Se...

...: Chronological objects which can handle dates and times Title: Chronological objects which can handle dates and times Depends: R (>= 1.2.0) License: GPL Built: R 1.5.0; Win32; 2002-05-04 10:00:30 Is this a problem witb my OS or something else ? Tnanks, Renaud -- Dr Renaud Lancelot, v?t?rinaire CIRAD, D?partement Elevage et M?decine V?t?rinaire (CIRAD-Emvt) Programme Productions Animales http://www.cirad.fr/presentation/programmes/prod-ani.shtml (Fran?ais) http://www.cirad.fr/presentation/en/program-eng/prod-ani.shtml (English) ISRA-LNERV tel (221) 832 49 02 BP 2...

...000). With R 1.5.0 or 1.5.1, I get the following error message: Error in .Defunct() : `.Alias' is defunct. See ?Defunct. May I change a particular file in the SJava library to make correct paths for Windows? Thank you for your help, Tristan Lorino ---------------------- ?cole Nationale V?t?rinaire d'Alfort - http://www.vet-alfort.fr, T?l. 01 43 96 70 33 M?l. tlorino at vet-alfort.fr Site personnel : http://daedale.free.fr -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send &quot...

...and sometimes X could take a value in the subset {2,3,4,5,6} with probability 1/5 for each issue, etc. The function should have one parameter only: a vector, composed by the values of the definition subset of X. Thank your for your help, Tristan Lorino ---------------------- ?cole Nationale V?t?rinaire d'Alfort - http://www.vet-alfort.fr, T?l. 01 43 96 70 33 M?l. tlorino at vet-alfort.fr Site personnel : http://daedale.free.fr -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send &quot...

...ity using Rao and Scott's Adjustment varbin Mean, Variance and Confidence Interval of a Proportion wald.test Wald Test for Model Coefficients ################# Best regards, Renaud -- Dr Renaud Lancelot, v??t??rinaire Projet FSP r??gional ??pidemio v??t??rinaire C/0 Ambassade de France - SCAC BP 834 Antananarivo 101 - Madagascar e-mail: renaud.lancelot at cirad.fr tel.: +261 32 40 165 53 (cell) +261 20 22 665 36 ext. 225 (work) +261 20 22 494 37 (home) _____________________________________...

...ima. I want to predict flooded surfaces given target values of z. I can display the flooded surfaces with contour() or image(), but I don't know how to get the polygons delimiting the surfaces. Did anyone write a function for this purpose ? Best regards, Renaud -- Dr Renaud Lancelot, v?t?rinaire CIRAD, D?partement Elevage et M?decine V?t?rinaire (CIRAD-Emvt) Programme Productions Animales http://www.cirad.fr/presentation/programmes/prod-ani.shtml ISRA-LNERV tel (221) 832 49 02 BP 2057 Dakar-Hann fax (221) 821 18 79 (CIRAD) Senegal...

...ity using Rao and Scott's Adjustment varbin Mean, Variance and Confidence Interval of a Proportion wald.test Wald Test for Model Coefficients ################# Best regards, Renaud -- Dr Renaud Lancelot, v??t??rinaire Projet FSP r??gional ??pidemio v??t??rinaire C/0 Ambassade de France - SCAC BP 834 Antananarivo 101 - Madagascar e-mail: renaud.lancelot at cirad.fr tel.: +261 32 40 165 53 (cell) +261 20 22 665 36 ext. 225 (work) +261 20 22 494 37 (home) _____________________________________...

Dear R-users, Is there an easy way to avoid points one upon another when ploting rows and columns of 'dudi' objects ? Maybe there is a function in ade4 or in an other package, or maybe someone has his or her own function to do this (for example to automatically modify a little the coordinates of these points to get a readable plot ?). Thanks in advance. Best regards, Jacques VESLOT

Hello, I am a beginner in R programming and recently heard about this mailing list. Currently, I am trapped into a simple problem for which I just can't find a solution. I have a huge dataset (~81,000 observations) that has been analyzed and the final result is in the form of 0 and 1(one column). I need to write a code to process this column in a little complicated way. These 81,000

Please, forgive my ignorance on statistics, but I have a rather simple question concerning AIC. Small values of AIC mean good fit of the model. How about negative values of AIC? Is a model with AIC=0.5 considered to have better fit than a model with AIC=-500? I couldn't find anything explaining this in the documentation or any elementary statistics textbook that I have at my disposal. Thanks

...tched major 1 minor 5.0 year 2002 month 05 day 15 language R Is there a way to include a graph in a help file (Rd file processed with make pkg-mypkg) ? Thanks in advance, Renaud -- Dr Renaud Lancelot, v?t?rinaire CIRAD, D?partement Elevage et M?decine V?t?rinaire (CIRAD-Emvt) Programme Productions Animales http://www.cirad.fr/presentation/programmes/prod-ani.shtml (Fran?ais) http://www.cirad.fr/presentation/en/program-eng/prod-ani.shtml (English) ISRA-LNERV tel (221) 832 49 02 BP 2...

Dear all, I'd like to draw a color key beside a graph drawn with xyplot (lattice library). I am aware of the draw.colorkey function (grid library) but don't know how to handle it. Any hint would be appreciated. Renaud -- Dr Renaud Lancelot, v?t?rinaire CIRAD, D?partement Elevage et M?decine V?t?rinaire (CIRAD-Emvt) Programme Productions Animales http://www.cirad.fr/presentation/programmes/prod-ani.shtml (Fran?ais) http://www.cirad.fr/presentation/en/program-eng/prod-ani.shtml (English) ISRA-LNERV tel (221) 832 49 02 BP 2...

...54 SNKOLLAY 12.8275 N 14.8803 O DIOULAYEL > temp[ , 6] # ===> crash > temp[93, ] # ===> crash Where does this come from ? For those interested, I attach the text file in a zip file (vill.zip, size = 3 ko) Thanks in advance, Renaud -- Dr Renaud Lancelot, v?t?rinaire CIRAD, D?partement Elevage et M?decine V?t?rinaire (CIRAD-Emvt) Programme Productions Animales http://www.cirad.fr/presentation/programmes/prod-ani.shtml ISRA-LNERV tel (221) 832 49 02 BP 2057 Dakar-Hann fax (221) 821 18 79 (CIRAD) Senegal...

I've put up a build of the current R-patched (and updated recommended packages) for Windows at http://www.stats.ox.ac.uk/pub/bdr/RWin/Rpre/SetupRpatched.exe This should be able to rename files on Win 9x (unlike the mid-May build) and can build packages accessing Rblas.dll. As ever, this is less tested than an official release, in particular only on Windows XP, but ought to have fewer

hello, I work since a few time on R and i wanted to know how to obtain the Wald chi square value when you make a binary logistic regression. In fact, i have the z value and the signification but is there a script to see what is the value of Wald chi square. You can see my model below, Best regards, S??verine Erhel [Previously saved workspace restored] > m3 = glm(reponse2 ~ form +