search for: mestr

Hello all: I'm sure this is quite simple, but I tried several options and I still can't get I right. I've got a data.frame and I want to delete all columns of which the sum is zero. Any ideas? Thanks, Frederico Mestre [[alternative HTML version deleted]]

...ee help(memory.size) My question is: I've done the analysis of this same data in the same computer and everything worked out fine. Now I get this error as a result of several analysis. What changed? I'm running R in a 64 bits, Windows 7 , 4 GB of RAM computer. Thanks, Frederico Mestre [[alternative HTML version deleted]]

...mask.asc", package="MetaLandSim") #Start GRASS using rgrass7 initGRASS("C:/Program Files (x86)/GRASS GIS 7.0.0", home=tempdir()) #Running function range.map <- range_raster(presences.map=presences, re.out=rg_exp, mask.map=mask,plot.directions=TRUE) Cheers, Frederico Mestre ? [[alternative HTML version deleted]]

Hello all: Is there any way to add points to a point pattern, while keeping a given minimum distance amongst this new points and the pre-existing points? Thanks, Frederico [[alternative HTML version deleted]]

Hi all! Do you know if there is any R function/package that can be used to estimate "logit" models with panel data and forecasting? Thanks, Moysés. -- Moysés Nascimento Bacharel em Estatística/UFES Mestre em Estatística Aplicada e Biometria/UFV Doutorando em Estatística e Experimentação Agropecuária/UFLA moysesnascim@gmail.com [[alternative HTML version deleted]]

Hello: What I want to do is quite simple, but I can't find a way. I have a data frame with several points (x and y coords). I want to add another column with cluster membership. For example aggregate all the points that stand within a distance of 40 from each other. I've tried using "nncluster" from the package nnclust, but the results are not correct, for some

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...29 27.034 > Tratamento 2 13.171 27 13.863 0.001380 ** > --- > Signif. codes: 0 ?***? 0.001 ?**? 0.01 ?*? 0.05 ?.? 0.1 ? ? 1 > > > > -- > Atenciosamente, > *Diogo Borges Provete* > > ============================== > Bi?logo > Mestre em Biologia Animal (UNESP) > Laborat?rio de Ecologia Animal > Departamento de Zoologia e Bot?nica > Instituto de Bioci?ncias, Letras e Ci?ncias Exatas > Universidade Estadual Paulista - UNESP > S?o Jos? do Rio Preto-SP > Brazil > > Rua Crist?v?o Colombo, 2265 > Jardim Na...

...attached base packages: [1] stats graphics grDevices utils datasets methods base loaded via a namespace (and not attached): [1] grid_2.15.1 lattice_0.20-6 nlme_3.1-104 *Carlos André Zucco* --------------------------------------------------------------------------------- Biólogo, Mestre em Ecologia Laboratório de Ecologia e Conservação de Populações (LECP/IB/UFRJ) Doutorando do Programa de Pós-graduação em Ecologia da UFRJ --------------------------------------------------------------------------------- [[alternative HTML version deleted]]

Hi, A package verification on recently CentOS 5.1 reveals that some packages is outdated comparing with the 5.0. Here are some examples: 5.0 5.1 tzdata-2007h-1.el5 tzdata-2007d-1.el5 libpng-1.2.10-7.1.el5_0.1 libpng-1.2.10-7.0.2 perl-5.8.8-10.el5_0.2 perl-5.8.8-10 The "updates" directory on CentOS 5.1 repository does

...ying to contribute to another post and messed up. The remark on the natiquette still stands, especially toward first offenders ;-). I know it's difficult to keep track of new felons vs. three strikers... -- Francesco Camisa Direttore Amministrativo Policlinico San Marco via Zanotto 40 30173 Mestre-VE

Hello: Sorry, this might look like a beginner question, but I'm just starting to work on the C and R interface. I'm trying to compile a C file (with a function) to load it to an R function but, in the command line I keep getting a lot of errors, like: "C:/Program~1/R/R-215~1.0/include/Rinternals.h:1066:1: error: expected declaration specifiers before 'SEXP'"

Hii rstudio members I am learning rstudio, For my manuscript I am trying to plot CCA using species and environmental data. But I am getting error like Error in cca.default(sptrans, envtrans) : all row sums must be >0 in the community data matrix *My code is like * library(vegan) library(ggplot2) library(dplyr) rassspec<-read.csv("C:/Users/hp/Desktop/R_data/rassspec.csv",