similar to: how to go to a line in R

Hi, I have a simple question, suppose I have the date "05/16/2008", what would be the command to get the month, day and year? Thanks, -Jack [[alternative HTML version deleted]]

Hi, I am trying to use function pairs to plot the scatterplot, but I only want to keep the upper triangle, what's the argument to do this? Thanks, -Jack [[alternative HTML version deleted]]

Hi, I have a silly question regarding the usage of two commands: read.table and gregexpr： For read.table, if I read a matrix and set header = T, I found that all the dash ("-") becomes dots (".") A = read.table("Matrix.txt", sep = "\t", header = F) A[1,1] # "A-B-C-D". A = read.table("Matrix.txt", sep = "\t", header = T)

Hi, I am now running a cross-validation using coxph coupled with stepAIC for model selection, is there anyway to suppress the output? It's too much. -Jack [[alternative HTML version deleted]]

Hi, After I read an xlsx file into the work space: A <- read.xlsx("B.xls", header = T, check.names = F) There are several headers with the names like: colnames(A) [1:4] # [1] "A 1" "B" [3] "C 2" "D" I can get the content of column 2 and column 4 easily by A$B or A$D However, I can not type

Hi, List The elastic net package (by Hastie and Zou at Stanford) is used to do regularization and variable selection, it can also do regression. I am wondering if it can perform binary classification (discrete outcome). Anybody having similar experience? Many thanks, -Jack [[alternative HTML version deleted]]

Dear List, I have an atomic vector named "Results" Results [1] 1 1 1 attr(,"prob") [1] 0.6666667 1.0000000 1.0000000 Levels: 0 1 when I type attributes(Results) $levels [1] "0" "1" $class [1] "factor" $prob [1] 0.6666667 1.0000000 1.0000000 However, when I type Results$prob It has the following warning message: NULL Warning message: In

Hi, List I am trying to use variables named A1, A2, ..., A100 to store some values, each variable could store some values with different length, how can I achieve this? Thanks, Jack [[alternative HTML version deleted]]

Hi, I have a question about the parameter C (cost) in svm function in e1071. I thought larger C is prone to overfitting than smaller C, and hence leads to more support vectors. However, using the Wisconsin breast cancer example on the link: http://planatscher.net/svmtut/svmtut.html I found that the largest cost have fewest support vectors, which is contrary to what I think. please see the scripts

Hi, I have just upgraded from the 1.8.1 to the 1.9.0 version of R, and have some trouble to run RWinEdt from the .Rprofile file (in the user folder). The script is: library(MASS) library(lattice) cat("Load editor?(y/n default = y): ") nf <- as.character(readLines(n = 1)) if ((nf=="y")|(nf=="Y")|(nf=="")) {library(RWinEdt)} rm(nf) When run at start,

the error msg is: > local({pkg <- select.list(sort(.packages(all.available = TRUE))) + if(nchar(pkg)) library(pkg, character.only=TRUE)}) Error in if (RWinEdtVersion) RWinEdtVersion <- scan(file.path(InstallRoot, : argument is of length zero Error: .onAttach failed in 'attachNamespace' Error: package/namespace load failed for 'RWinEdt' > version _

Hi! I was trying to install the RWinEdt library on a Windows Vista machine which had R 2.6.0, WinEdt 5.4 and the RWinEdt1.7.8.zip file in the library folder under the ...\R\2.6.0 directory. I am able to install fine form the local zip but I can't launch winedt from within R for some reason. > utils:::menuInstallLocal() package 'RWinEdt' successfully unpacked and MD5 sums checked

Hi to all, I initiate in R - Linux and I've some problems to find an editor with R interface as like RWinEdt for WinEdt. Anyone know one? Thanks in advance for your kind cooperation. Best regards Atenciosamente Ana Patricia Martins ------------------------------------------- Serviço Métodos Estatísticos Departamento de Metodologia Estatística Telef: 218 426 100 - Ext: 3210

Buenas tardes a todos: Primero que nada un saludo y desearles un feliz 2009. Escribo para que me asesoren con la instalación de un editor de R, estube siguiendo los pasos de un manual 1. Instalar R 2. Instalar WinEdt 5 (V. 5.2 o superior) 3. Instalar *SWinRegistry *(disponible en http://www.omegahat.org/SWinRegistry): *Packages ! Install package(s) from local zip ¯les... * 4. Instalar

Good morning I just got a new computer with Windows 7. R works fine, but the editor I am used to using "RWinEdt" does not. I did find one blog post on how to get RWinEdt to work in Windows 7, but I could not get those instructions to work either. Is there a patch for RWinEdt? If not, is there another good R editor that works under Windows 7? I tried RSiteSearch with various

Dear All, I've tried install Rwinedt using my Winedt 6. I cannot see R tab in Rwinedt even though I followed the instruction. (Installed RWinEdt and called the library) Version 6 doesn't work? If not, if would you recommend an R editor for window user?(Except for Emacs) Thanks, [[alternative HTML version deleted]]

I have a problem using RWinEdt 1.8.2 in Windows 7 Professional (64 bit). System/software info: R version 2.13.0 (2011-04-13) Copyright (C) 2011 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: x86_64-pc-mingw32/x64 (64-bit) WinEdt Build: 20071003 (v. 5.5) After installing the R package and attempting to load I get: > library(RWinEdt) Warning message: In

I just installed R-2.3.1pat under Windows XP as well as the associated RWinEdt. If I start RGui from its shortcut (but do _not_ also start RWinEdt) and then try to execute demo() or help(), I get a RWinEdt pop-up error window with message: File "D:\WP\WinEdtData\WinEdt\D:/WP/WinEdtData/WinEdt/R.ini" does not exist! Qualifier -e/-E does not specify an existing file! First

When I load R-WinEdt (>library(RWinEdt), I get the warning: Warning message: multi-argument returns are deprecated in: return(InstallRoot, RWinEdtInstalled) I have upgraded to R 1. 8 on Windows, by copying non-base libraries into the 1.8 library folder and updating the help. I also reinstalled R-WinEdt from the zip file as detailed in RWinEdt ReadMe file using the recommend (A)

I have installed RWinEdt but when I try to load it, I get the message : Error in normalizePath(path) : path[1]="C:\Users\yves\AppData\Roaming\WinEdt/R.ini": The specified file cannot be found. I have the problem with R 2.11.0 and R 2.10.1, since I have re-installed WinEdt. Yves [[alternative HTML version deleted]]