similar to: cronbachs alpha - score.items(psych) vs reliability(Rcmdr)

Hi folks, I'd like to use scatter3d (which is in R commander) to plot more than one dataset in the same graph, each dataset with a different color. The kind of stuff you would do with "holdon" in Matlab. I read a recent message that was posted to this list with a similar problem, but I couldn't understand the reply. Could someone give me one example? How do you plot subgroups

Hi all, I am trying to teach myself to use and program R (How else do you do it? lol) Anyway, I wrote a piece of code to compute coefficent alpha for a scale. As I am neither a statistician nor a programmer, I wanted people's feedback. The code appears to work (Win 95 with R 1.0.1) and I have verified my result with SPSS and it was correct (much to my astonishment!). Nonetheless, I am

Hi ! I am new to R, and using the MAC version onto Mac OS 9.1. My question concerns the problem I encounter when I try to read some data I have using the read.table function. I always get an error of type : Error in scan(file = file, what = what, sep = sep, quote = quote, dec = dec, : line 1 did not have 9 elements Here is my code: varnames <- c("names", "symbol",

I'm testing some modifications in arima.c. I've noticed that a big internal array of double (rbar) is usually sparse and I'd like to add an option to store it as key-value mapping. Is there a library function or some other approach already used inside the R core for key-value mappings? Thanks, Matteo Bertini

Like this? # example using qplot library(ggplot2) meanprice <- tapply(diamonds$price, diamonds$cut, mean);meanprice cut <- factor(levels(diamonds$cut), levels = levels(diamonds$cut)) qplot(cut, meanprice, geom="bar", stat="identity", fill = I("grey50")) dev.new() # create a new graph to compare with qplot # Example using ggplot ggdata <-

Hi, In the example dataset below - how can I cahnge "gray20", to "blue" # data black <- rep(c("black","red"),10) gray <- rep(c("gray10","gray20"),10) black_gray <- data.frame(black,gray) # none of this desperate things works # replace(black_gray$gray, gray=="gray20","red") #

A short function I wrote for the purpose of evaluating scales made up of a number of questionnaire items. It provides Cronbach's Alpha, both unstandardized and based on standardized items. It also provides item statistics which include item-total correlations (corrected) and item-removed alpha. Thought some of you might find it useful. I would also appreciate any programming tips or

I guess this is more r-devel than r-help. Note, I am just the messenger - I have no idea what the user is trying to model here. arima() crashes R (segfault) with Linux R-2.7.0, Solaris R-2.6.0: *** caught segfault *** address 42400000, cause 'memory not mapped' Traceback: 1: .Call(R_getQ0, phi, theta) 2: makeARIMA(trarma[[1]], trarma[[2]], Delta, kappa) 3: arima(x, c(1, 0, 1), c(1,

Hi there, I would like to make a 'bumps chart' like the ones described e.g. here: http://junkcharts.typepad.com/junk_charts/bumps_chart/ Purpose: I'd like to plot the proportion of people in select countries living for less then one USD pr day in 1994 and 2004 respectively. I have already constructed a barplot - but I think a bumps chart would be better # The barplot and data

I have windows version of R v1.6.2 I have downloaded the qtoolbox.zip from http://www.cmis.csiro.au/S-PLUS/qtoolbox/ My R command line is > install.packages("C:/Program Files/R/qtoolbox.zip", .libPaths()[1], CRAN = NULL) and I get the following error message: updating HTML package descriptions Warning message: error -1 in extracting from zip file > Is there another way to

Dear list member, John Fox proposed to me posting this problem to R-Help: I have written a function suited for Rcmdr and included this in a R-file located in Rcmdr/etc as well as an augmented `Rcmdr-menus.txt'. Now, I am faced with the following problem: method show() of a S4-class object works flawlessly, that is `doItAndPrint' works flawlessly and its output is returned correctly into

Hi all, I successfully installed Rcmdr. And I type "library(Rcmdr)", nothing happened; or if I select menu item "load package" and select "Rcmdr", still nothing happened... Why didn't Rcmdr start? Very strangely, if I close the R console and restart R console, every first time I load "Rcmdr", it starts! But not second, third time... What's wrong

I am getting the error message: > library(Rcmdr) Loading required package: car Loading required package: MASS Loading required package: nnet Error : .onAttach failed in attachNamespace() for 'Rcmdr', details: call: structure(.External("dotTclObjv", objv, PACKAGE = "tcltk"), class = "tclObj") error: [tcl] invalid command name "image".

Hi everyone, I made some tests with Rcmdr, to add a function with default parameters : For example (very simple): myfunction<-function(var="314"){ print("hello") print(var) } if I run myfunction() directly i see : > myfunction() [1] "hello" [1] "314" it's ok. But if i edit de Rcmdr-menu.txt (in

¿existe algún método en el cual no sea necesario hacer este trabajo y que aparezcan los nombres de las preguntas? label.cronbach <- label.var(p01, "¿Le agrada el programa que se le ha mostrado? ") label.cronbach <- label.var(p02, "¿Cree que ayuda en el aprendizaje?") label.cronbach <- label.var(p03, "¿Propicia el trabajo en el equipo?") label.cronbach

I try to start Rmcdr from JGR. The Rmcdr-Windows comes up correctly; but the Menu-Bar in the Rcmdr-Window goes away, if I try to go into the Rmcdr-Window. I hope, someone has a solution. Regards, willi -- 0(049)753124283 privat 0(049)7531882641 büro [[alternative HTML version deleted]]

Hello, For one reason or another, I cannot install Rcmdr on my R 2.12.2 ubuntu 11.4 system. I run R as root When I try to install Rcmdr, then whatever mirror I select, I get the message: install.packages('Rcmdr',dependencies=TRUE) Installing package(s) into ‘/usr/local/lib/R/site-library’ (as ‘lib’ is unspecified) --- Please select a CRAN mirror for use in this session --- Loading Tcl/Tk

Dear All, I use Debian etch and downloaded R from its repo. Although it is running I would like to make the first steps using rcmdr. I went through on wikis and howtos, installed rcmdr but it is not running. Apparently it is properly installed, there is an Rcmdr library in /usr/lib/R/site-library but I cannot start it neither from command line nor by clicking on applications -> debian

Hello all! I?ve been using Rcmdr for some time, as a quick way of producing graphics and basic statistics. I run R1.8.1, OS W2000. Two days ago the dataset loader stopped working. Normally, the button <No active dataset> is clickable to give you the opportunity to choose dataset to load in the Rcmdr context. Clicking on the button now produces this: Rcmdr Version 0.9-3 Error in parse(file,

I'd like to announce a new version, 1.3-0, of the Rcmdr package. The Rcmdr package provides a basic-statistics graphical user interface (GUI) to R. Beyond small changes and additions, this new version of the package makes provision for "plug-ins" that permit extension of the Rcmdr GUI without altering and rebuilding the Rcmdr source package or modifying the installed package. An R