similar to: elements from 'sem' function

Hi Rneters, I'm running a GLM model with a full factorial design in blocks and binomial error distribution. I would like to have the F values for this model but I got a message that "using F test with a binomial family is inappropriate in: anova.glm(model, test = "F")". Should I not report F statistics on this kind of analysis? I would appreciate any comment on this.

I?m trying to run a factorial model with binomial error distribution on R program but I had some problems. I'm quite sure it is a bug and would like to know if it was alread corrected. The output don?t gives me the effects of factors, it mix the names of factors with the names of factor?s levels. For instances: specieserythroxylum ('species? is the name of the factor and

Hello useRs, I`m running structural equation models with R, but for one of my models the below error message apears. I`m trying to change startvalues but without success. The manual for sem package did not help me. Does anyone knows how to change startvalues for iteration in sem package? Or it can be another problem with the model? Error in startvalues(S, ram, debug = debug, tol = start.tol)

Hello everyone, I'm having a big trouble with which seems to be a bug in as.POSIXct() date-time conversion. I have massive GPS datasets in which each location has it's own date and time attribute. As I convert them to POSIXct format, 1300 cases (of about half a million locations) simply return NA values. I picked up a small sample of failed cases and normal cases to demonstrate the

Hello, This is my first post in this e-mail list and I hope it's enough to justify calling for help. In case it's not, sorry. I'm trying to do analysis and graphics using a factor as a criteria to split data and do the analysis/graphics for each subset of data. Right now what I'm trying to do is to fit and plot the following logistic model, according to a third variable named

How I can take out my name from this list? Fernanda Melo Carneiro contato: (62) 3521-1480 e 8121-7374www.ecoevol.ufg.br Laboratório de Ecologia Teórica e Síntese (UFG)   [[alternative HTML version deleted]]

Hi there Sorry for what may be a naive or dumb question. I have the following data: > x <- c(1,2,3,4) # predictor vector > y <- c(2,4,6,8) # response vector. Notice that it is an exact, perfect straight line through the origin and slope equal to 2 > error <- c(0.3,0.3,0.3,0.3) # I have (equal) ``errors'', for instance, in the measured responses Of course the

Dear all, I often use dates and times in analyses. I just can't figure out how to format my date or time column in R. So, apparently R sees the date as something other than date (character). Let's say I am opening a CSV file, one of the columns of which is a date or time. How do I specify that when opening the file? Thanks for the help, Jim --

Greetings, I have some confusion with the use of if - else. Let's say I have a four variables as follows: Condition DateFound DateFirstEvent DateSecondEvent NA 10Jan2000 NA NA 0 05Jan2000 07Jan2000 10Jan2000 1 07Jan2000 07Jan2000

Hello, I'd like to know if there is a way to fit a Structural equation model with dichotomous indicators (ex: problem with a phone solved/ or not) having effects on a ordinal variable. How I do that using R? Do you have an example with the code in R that you can send to me? Thanks a lot! Renata Estrella UFRJ, Brasil, Rio de Janeiro Renata Leite Estrella Assistente de

Dear r-sig'ers I use Debian sid (amd64). I downloaded the most recent version of rstudio .deb from their official site and issued: dpkg -i rstudio-0.99.902-amd64.deb to no avail: dpkg: dependency problems prevent configuration of rstudio: rstudio depends on libgstreamer0.10-0; however: Package libgstreamer0.10-0 is not installed. rstudio depends on libgstreamer-plugins-base0.10-0;

Hi there I am new to R and would like to ask some questions which might not make perfect sense. Anyhow, here they are: 1) I would like very much to use R for processing some big data files (around 1.7 or more GB) for spatial analysis, wavelets, and power spectra estimation; is this possible with R? Within IDL, such a big data set seems to be tractable... 2) I have heard/read that R

Hi everyone. I was running correspondence analysis in R with the package 'ca' and I got a error message that I could not solve. > summary(ca(gui)) Error in svd(S) : infinite or missing values in 'x' #where gui is my dat table as follows: 0 90 1 1 0 90 0 0 0 90 5 1 0 95 1 0 0 0 0 0 85 0 0 0 50 0 0 0 90 0 0 0 75 0 0 0 75 0 0 0 0 0 10 25 0 0 5 5 0 0 50 10 0 0 10 20 0 0 1 10 0 0

Good afternoon, My name is Thiago. I'm?a graduate student?and affiliated to an Anuran Bioacustic and Systematics Laboratory at UFU (Federal University of Uberl?ndia)?in Brazil.?The professor in charge of the?lab (Dr. Ariovaldo Antonio Giaretta) and I?have recently been?making use?of R, specially the packages Sound and Seewave so as to analize?anuran recordings. This software is just

*Hello all ** I am a newbie to R plotting maps. I am trying to plot over a world map a layer of Biogeochemical provinces (BGCP) by A.R. Longhurst. Each ocean region unfortunately are quite irregular in shape (not perfect squares). In GIS this layer of ocean provinces would be a layer of polygons, which I am assuming it cannot be plotted with R. I was wondering If anybody has encounter this

Dear R users, The parameters xaxs and yaxs (function par, package graphics) seem not to work with the function hist (package graphics), even when the parameters xlim and ylim are defined. Is there any way to make yaxs="i" and xaxs="i" work properly with the function hist, mainly to produce histograms that "touch" the horizontal axis? The R documentation and the R

Hi I have tryed to do the meta-regression in metafor package, but I would like to get the standardized coefficients for each variable, however in command:   Ø  res<-rma.uni (yi, vi, method="REML", mods=~cota+DL+uso+gadiente+idade, data= turbidez)   I just have the coefficients no standardized (estimate) of the multiple regression. What I need to do? Thanks Fernanda Melo

Dear all I have Kubuntu linux and have updated to the latest version (6.06 dapper). I do not know why but now I can not make no plots. For instance, when I type >hist(...) this is the message I get: >can't find X11 font > Error in X11 (display, width, heigth......) > unable to start devide X11 > In addition: Warning messages: > 1:locale not supported by Xlib: some X ops

Hi again, thank you for your previous answers. Just another question, though ... I get the following variance components after fitting a mixed model. Groups Name Variance Std.Dev. Corr PlantID TreatmCtrl 0.51784 0.71961 TreatmNoAccess 4.77469 2.18511 -0.063 TreatmNoKeel 4.22726 2.05603 0.513 0.751 TreatmNoSpur 0.45918

Hi, I am new to this list as a poster, but a reader for some time. I've using R for several weeks now, and I have a lot of questions about certain procedures. Here I go: I want to test if there are differences in the time spent by pollinators visiting flowers of a given plant species, according to a number of experimental manipulations made on those flowers. All experimental