search for: cemagref

Displaying 20 results from an estimated 23 matches for "cemagref".

2005 Apr 22
1
density estimation
hello sorry for my english I would like estimate density for multivariate variable,( f(x,y) , f(x,y ,z) for example) ; for calculate mutual information how is posible with R? thanks Bernard Bernard Palagos Unité Mixte de Recherche Cemagref - Agro.M - CIRAD Information et Technologie pour les Agro-Procédés Cemagref - BP 5095 34033 MONTPELLIER Cedex 1 France http://www.montpellier.cemagref.fr/teap/default.htm Tel: 04 67 04 63 13 Fax: 04 67 04 37 82 [[alternative HTML version deleted]]
2008 Apr 17
1
Moving from Splus to R: irregular and regular time series
...I have the filling that both packages have been developped separately and I don't see how I could specify time to be able to plot regular and irregurlar time series on the same graph --- if it is possible in R--. Thanks in advance for your answer Best regards Isabelle -- Isabelle BRAUD Cemagref Unit? de recherche Hydrologie-Hydraulique 3bis quai Chauveau CP 220 69336 Lyon C?dex 9 Tel: 04 72 20 87 78 Fax: 04 78 47 78 75 E-mail: isabelle.braud at cemagref.fr
2007 Feb 27
1
interactions and GAM
...------------------------------------- Laurent Beaulaton ############################### # NEW !!!! # # http://www.laurent-beaulaton.fr/ # # Tel + 33 (0)5 57 89 27 17 # ############################### --------------------------------------------- Cemagref (French Institute of Agricultural and Environmental Engineering Research ) Unit? "Ecosyst?mes estuariens et poissons migrateurs amphihalins" (anciennement Unit? "Ressources aquatiques continentales") 50 avenue de Verdun F 33612 Cestas Cedex Tel + 33 (0)5 57 89 27 17 Fax + 33 (0...
2007 Jul 25
0
Function polr and discrete ordinal scale
...mnames(X)[[1]], object$lev) } if(!is.null(object$na.action)) Y <- napredict(object$na.action, Y) switch(type, class={ Y <- factor(max.col(Y), levels=seq(along=object$lev), labels=object$lev) }, probs={}) drop(Y) } Thank you. Géraldine LASSALLE Cemagref Unité Ecosystèmes estuariens et Poissons migrateurs amphihalins 50 avenue de Verdun 33612 Gazinet-Cestas Tel: 05.57.89.09.98 Fax: 05.57.89.08.01 geraldine.lassalle@bordeaux.cemagref.fr http://haddock.bordeaux.cemagref.fr:8080/ocms1/opencms/estuaires/Poissons_migrateurs_et_changement_global.html...
2004 Nov 16
0
From S-Plus to R
...ame graphic, regular time series with different frequencies and even irregular time series. Is it still possible in R? Thanks in advance for your answers. Best wishes Isabelle Braud *************************************************************** Isabelle BRAUD Chargée de recherche au LTHE-Grenoble/CEMAGREF-Lyon CEMAGREF Unité de Recherche Hydrologie-Hydraulique 3 bis, Quai Chauveau, CP 220 69336 Lyon Cedex 9 Tel: 04 72 20 87 78 (from abroad 33 4 72 20 87 78) Fax: 04 78 47 78 75 (from abroad 33 4 78 47 78 75) E-mail: braud at lyon.cemagref.fr ou Isabelle.Braud at hmg.inpg.fr [[alternati...
2003 Sep 12
2
partial mantel
...trolling for a third distance matrix representing geographical distances between sites. Thanks! Christophe Bouget Biodiversité et gestion des forêts de plaine - Ecosylv Ecosystèmes forestiers et paysages Institut de recherches pour l'ingénierie de l'agriculture et de l'environnement - CEMAGREF Domaine des Barres F-45 290 Nogent-sur-Vernisson [[alternative HTML version deleted]]
2008 Dec 16
8
sliding window over a large vector
Hi all, I have a very large binary vector, I wish to calculate the number of 1's over sliding windows. this is my very slow function slide<-function(seq,window){ n<-length(seq)-window tot<-c() tot[1]<-sum(seq[1:window]) for (i in 2:n) { tot[i]<- tot[i-1]-seq[i-1]+seq[i] } return(tot) } this works well for for reasonably sized vectors. Does
2008 Feb 22
0
seeking function to perform Flexible UPGMA clustering
...le UPGMA (Un-weighted Pair Group Using Arithmetic Averaging) . It does not seem to exist in any R package. Regards, Ton -- Laboratoire d'Hydro?cologie Quantitative 3 bis, Quai Chauveau - CP 220 69336 LYON cedex 09 t?l. : +33 (0)4.72.20.89 20 fax : +33 (0)4.78.47.78.75 mail : ton.snelder at cemagref.fr http://www.lyon.cemagref.fr/bea/dynam/index.shtml
2006 Mar 18
0
No subject
...s, Kevin ------------------------------------------------ Ko-Kang Kevin Wang Master of Science (MSc) Student Department of Statistics University of Auckland New Zealand www.stat.auckland.ac.nz/~kwan022 ----- Original Message ----- From: "Archaux Frederic" <Frederic.Archaux at nogent.cemagref.fr> To: "'r-help at lists.R-project.org'" <r-help at stat.math.ethz.ch> Sent: Tuesday, February 04, 2003 9:46 PM Subject: [R] basic question Dear R users, Up to now, I only used precompiled packages. As I am working on vegetation ecology, I would be interested in using...
2008 Dec 24
2
Using 'cat' on data frame
Dear all, I have the following data frame: > raw.count Var1 Freq 1 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA 707 2 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAC 14 3 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAT 3 But why when printint it using 'cat', it doesn't print the desired string "AAA" ? > cat(raw.count$Var1,
2002 Jul 17
1
rpcclient enumdrivers enumprinters
...ke to check the drivers available and the printers available too in order to run the rpcclient's command named setdriver. The enumdrivers command displays nothing and the enumprinters command displays this : result was NT_STATUS_BUFFER_TOO_SMALL Thanks in advance for your help Thibault PASTOR Cemagref Lyon
2008 Dec 24
1
selecting a subset of a matrix based on a value occurring in 5 records
Hello, >I am hoping for some advice as to how I might create a subset of a >matrix. The matrix is 176 x 3530. The rows are individual records >and the columns words. I want to create a new matrix that only >consists of words which occur in at least 5 records. For example, >if column 7 is "charges" and this only appears in 4 records/rows >this variable would not
2003 Feb 04
3
basic question
...I am reduced to "intuitions"!) I know this is probably one of the most FAQ, but I did not find the answer to my problem on the R-CRAN web site. Thank you in advance! Have a good day. Frédéric Archaux (PhD, Engineer) ============================ Biodiversity and Forest Management Team CEMAGREF Domaine des Barres F-45290 Nogent-sur-Vernisson FRANCE [[alternate HTML version deleted]]
2007 Dec 20
2
factor manipulation: edgelist to a matrix?
Hello All, I have had considerable bad luck with attempting the following with for loops. Here is the problem: # Suppose we have a data.frame with the following data, which can be considered a type of edgelist (for those with networks backgrounds): # # V1 V2 # 1 A # 1 A # 1 B # 2 A # 3 C # 3 A # 3 C # 3 B # # I want the output of the function to produce a matrix, such that #each factor of
2009 Nov 20
1
different results across versions for glmer/lmer with the quasi-poisson or quasi-binomial families: the lattest version might not be accurate...
...ct but not the old one. My temptative conclusion is therefore to use the old versions of lme4 (here: lme4 version 0.99875-9) when using quasi-binomial and quasi-poisson methods. Any comment/insight appreciated. All the best, Frédéric Gosselin Engineer & Researcher (PhD) in Forest Ecology Cemagref Domaine des Barres F-45290 Nogent sur Vernisson France ############### 1- EXAMPLE FROM LMER HELP ############# here are the commands for the quasipoisson: library(lme4) gm1 <- lmer(incidence ~ period + (1 | herd), family = quasipoisson, data = cbpp) summary(gm1) ########## here is the resul...
2007 May 11
1
changing the mode of a factor (PR#9675)
Full_Name: Fr?d?ric Gosselin Version: 2.5 vs 2.4 and 2.2.1 OS: windows XP Submission from: (NULL) (195.221.118.52) ############# L3 <- LETTERS[1:3] (d <- data.frame(cbind(x=1, y=1:10), fac=as.factor(sample(L3, 10, repl=TRUE)))) mode(d[,3])<-"numeric" ############### when trying to change the mode of a column in a data.frame that is a factor to numeric(cf. preceding code),
2001 Dec 28
3
Compiling samba with solaris
Hi, I just cvs the samba_2_2 branch with cvs -d :pserver:cvs@samba.org:/cvsroot co -r SAMBA_2_2 samba and i try to compile samba with gcc under solaris 8 (SUNultra10): # pwd /tmp/samba/source # ./configure --with-automount --with-nisplus-home loading cache ./config.cache checking for gcc... gcc checking whether the C compiler (gcc -O ) works... no configure: error: installation or configuration
2003 Dec 01
0
No subject
.... How does Wins work? Can I dump a list of the machines that have tried to register with Samba via Wins? Why do some machines try to register (or successfully register) and others do not? Where have I gone wrong? Thanks and please forgive the ignorance, Rick Return-Path: <info05@lyon.cemagref.fr> Delivered-To: samba@samba.org Received: from noe.lyon.cemagref.fr (noebis.lyon.cemagref.fr [195.221.113.33]) by lists.samba.org (Postfix) with ESMTP id 9E2F943FC for <samba@samba.org>; Mon, 14 May 2001 07:06:31 -0700 (PDT) Received: from info6 (info6.lyon.cemagref.fr [195.221.113.2...
2005 Dec 16
1
Vector of matrix
Dear statisticians, I would like to save results for a "for loop" in a vector previously created. My result would be of class "matrix". I tried the following script: Script: #Creation of a previous vector n.Tree<-2 VectorX<-rep(1,n.Tree) #loop for (i in 1:2) { Ti<-MatOccurTree[Tree[i],1] #number of observation for Tree i Xi<-matrix(data=1,nrow=Ti,ncol=2)
2008 Mar 04
0
R2HTML - align a table from summary.lm
Hi all, I use the R2HTML package to print results, but I have a little problem when I want to print a table provides from a summary.lm. If I want to align this table differently of the others, I use the "align" argument ("left", "center or "right") of the HTML function , but it prints "Coefficients left" (or "Coefficients center",