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Colleagues, Many of my colleagues come to me for a recommendation for statistical software. Since I am an R user, that's my typical answer. Some colleagues of mine refuse to use it because of its steep learning curve and...
Could somebody please help me on this? I have many files on my computer and would like to change its names so that it would be more meaningful for me. The filenames are in the following format: cvcvcv198307.xlsx I...
Colleagues, I am trying to write a script for the Mantel Haenszel test. For the MH test, the test statistic is chi-square (MH) = (W-1) * r^2 Where W = sum of the case weights. This is straight forward. I...
Dear mailing list members, I am a beginner of this community. I would like to analyze data in a .rdata file. I ran the following code, but the object "d" remained empty. d <- load("~/docdis/input/ch2/WV6_Data_R...
# Get mean, min, max sigma and skew by group options (digits = 3) library (ISwR data(energy) data %>% group_by(stature) %>% summarize( Mean = mean(expend), Min = min(expend), Max = max(expend), Sigma = sd(expend), Skew = skew(expend)) # Output stature Mean Min...
Hola a todos Intento instalar Shiny para usarlo en R-Studio en un equipo con sistema operativo macOS pero no he podido, si alguien tuvo el problema y lo resolvió, agradecerÃa sugerencias. Saludos Cleiver Yam [cid:1e36178e-c675-432d...
Us the RODBC package: library(RODBC) -----Original Message----- From: r-sig-db-bounces at r-project.org [mailto:r-sig-db-bounces at r-project.org] On Behalf Of siddharth arun Sent: 20 May 2011 12:46 To: r-sig...
Hola: No se muy bien si es esto lo que preguntas, pero el código de todos los scripts está en el fichero: https://cran.r-project.org/src/contrib/randomForest_4.7-1.1.tar.gz Saludos. On Sun, 19...
Is anyone aware of point.in.polygon giving different results for 32-bit vs. 64-bit R? Our OS is 64-bit Windows 7 Enterprise. I'm working with someone else's extensive R program and the final results are...
Buen dÃa, Tengo un data frame con los siguientes datos > Sexo<-c(1,1,1,2,2,2,2,1) > edad<-c(10,12,15,12,10,15,12,15) > frec<-c(150,125,147,123,156,174,185...
Colleagues, g <- function(x) ( x^11 + 1000*x^10 + 500 *x^9 + 1 ) coeffs <- c(1, rep(0, 8), 500, 1000, 1) roots <- polyroot(coeffs) Output [1] 0.25770068+3.958197e-01i [2] -0.34615184+3.782848e-01i [3] -0...
Hi, does anybody know how to use the dual processors in the machines of a cluster? I am using R with rpvm and snow packages. I usually start pvm daemon and add host machines first, and then run R to...
Many thanks to Jason Turner, Martin Maechler and Thomas Lumley. They all pointed to save.image(), which is really what I am after. Sorry for my ignorant. Before I posted my question, I did checked the help page of q...
This is an off topic. Is it possible to combine a few shared library files (.so files) without changing source files of the libraries? I am not sure whether it makes sense or not. I have a few shared libraries...
Hi, I know how to use LASSO for model selection based on the Cp criterion. I heard that we can also use cross validation as a criterion too. I used cv.lars to give me the lowest predicted error & fraction...
Hi, I know how to use LASSO for model selection based on the Cp criterion. I heard that we can also use cross validation as a criterion too. I used cv.lars to give me the lowest predicted error & fraction...
Colleagues, f <- function(x) ( x^11 + 1000*x^10 + 500 *x^9 + 1 ) ^0.01 coeffs <- c(1, rep(0, 8), 500, 1000, 1) roots <- polyroot(coeffs) # output [1] 0.25770068+3.958197e-01i [2] -0.34615184+3.782848e-01i...
Colleagues I am writing an article using Microsoft Word for a journal that requires Times New Roman for all text (including tables and statistical outputs). However, copying console output from RStudio (e.g., summary(lm())) into Word retains the RStudio...
SVN?revision?77401?changes ????????x[isM]?<-?lapply(x[isM],?function(o)?`class<-`(o,?class(o)[class(o)?!=?"AsIs"])) to ????????x[isM]?<-?lapply(x[isM],?function(o)?`class<-`(o,?class(o)[!inherits(o,"AsIs")])) in?function?'get_all_vars'?in?src...
Dear R users, Does anyone notice that Rterm.exe does not work well with rxvt.exe, an xterm emulator for Cygwin? It produces an error message window with the following message: This program has performed an illegal operation and will...
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