similar to: read.table : how to condition on error while opening file?

Hi everybody, I've been looking around, but can't seem to find the answer. I get a list of names (which vary, so I never know them in advance), and transform them into variables, each of which is a dataframe, using assign: polyList <- c("rs123", "rs124", "rs555", "rs000") numPoly <- length(polyList) for (k in 1:numPoly) {

Hi, I'd like to get an argument (I think it's the right term) dynamically from a list, but cannot manage to do it. Here is the code I use: #output given by database BOB <- c('A/A', 'C/C', '15/27') MARY <- c('A/A', NA, '13/12') JOHN <- c('A/A', 'C/A', '154/35') CLIFF <- c('A/C', 'C/C',

Dear all, I need to do the same procedure on several files. But I don't know how to refer to the file name. Here is an example of what I am trying to do. List of files: file1(A,B,C, D1...Dn), file2(A,B,C,E1,...,En), file3(A,B,C,F1,...,Fn) Procedure I want to apply on each file: dft <- melt(df,id=c('A','B','C')) dft$X <- substr(dft$variable,1,3) dft$Y <-

Hi, I do not get how par works, help please. Let's say I have a simple plot: plot(1:10) I want to change the font size for the x axis... how do I do that? Thank you, Stephane -- The Wellcome Trust Sanger Institute is operated by Genome Research Limited, a charity registered in England with number 1021457 and a compa ny registered in England with number 2742969,

Hello, I'm fairly new to R, and despite spending quite some time exploring, testing, and looking for answers, I still have a couple of questions remaining... The first one is about creating a dataframe using a list of the variable names . I get this output file from a database: BOB <- c('A/A', 'C/C', '15/27') MARY <- c('A/A', NA, '13/12') JOHN

I am seeing a problem with the way the rsync of symbolic links is done. Here is a simple example to duplicate this issue: prompt> # Create a test case to show rsync of symbolic link problem prompt> mkdir foo bar prompt> touch foo/file1 bar/file2 prompt> ln -s bar/file2 file prompt> rsync -av . ../duplicate building file list ... done created directory ../duplicate ./ bar/

Hi, I have a vector or random variables and I'm estimating the density using "bkde" function in the KernSmooth package. The out put contains two vectors (x and y), and the R documentation calls y as the density estimates, but my y-values are not exact density etstimates (since these are numbers larger than 1)! what is y here? Is it possible to get the true estimated density at each

Hi Guys, I''m having serious troubles resizing a dialog with a ListCtrl. The ctrl will not resize horizontally no matter what I''m doing. I''ve attached a sample code below. Any help will be greatly appreciated, as I really like wxRuby :) I''ve also tried to copy from the example from listtest.rbw, but that also doesn''t seem to work. Another thing

I am tryindo to do a very simple thing but cannont find how to do it anywhere. I need to formap part of my title as subscript ans superscript. How can I do it? Thanks a lot in advance José -- MSc José Alberto F. Monteiro Botanisches Institut Universität Basel [[alternative HTML version deleted]]

Dear all, I have many csv files whose contents I want to change a bit en masse. So far, I've written code that can change them in a for loop, like so: # Subset of files in the folder I want to change subset = "somestring" # Retrieve list of files to change filelist=list.files() filelist = filelist[grep(subset, filelist)] for(i in 1:length(filelist)){ setwd(readdir)

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Hi, I've noticed every time someone does an rsync-request on my ftp-site (which also provides rsync as mirror method), rsyncd creates a filelist. This is a quite IO and CPU intensive procedure, especially for things mirrors like FreeBSD with lots of little files. I was wondering... is there a way to cache that filelist? Our mirrors are updated once, or twice a day, it could speed up

HI there, i know this is a basic question, though i need some help because this is somewhat away from my current issue, but nevertheless interesting to me... Lets assume i have some estimated probabilities, say estimated by a logit model. i know i can also state them as an odds ratio. Now i?d like to state these odds ratios as a reference to a specific outcome of my investigated

Hi All, I have a slight issue getting R to plot a series of tables automatically. Essentially I have a series of tables that I wish to plot. They are named on_2, on_3 etc. based on the file name when they were read in. I have filelist <- list.files() to give me list of the table names. I wish to plot each table, so I was thinking along some kind of for loop as below: for (i in 1:Number_Files)

Dear all, I am trying to read in and assign data from 50 tables in an automated fashion. I have the following code, which I created with the help of textbooks and the internet, but it only seems to read in the final data file over and over again. For example, when I type:> table_1951 I get the same values in the table as when I type> table_2000 despite the values in the source tables

Dear all, I think I'm nearly there in writing R code which will read in files with two variable parts to the file name and then assigning these file names to objects, which also have two variable parts. I have got the code running without encountering errors, however, I receive 50+ of the same warnings: 1: In assign(paste("Fekete_", index$year, index$month, sep = ""),

"It seems therefore that there is no other way than read in individually > 100 weather tables using read.tables., right? Using file.choose() doesn't change the work." Yes. With that many files, file.choose() does not make sense. However, I still do not understand what is the problem with using lapply() on the character vector of file names with read.table() as you did in your

Hi, my problem is as follows: I have a matrix of two rows like this: 2 2 3 4 4 4 5 5 6 1 1 2 1 3 3 2 1 1 Can I apply something like "group by" in sql? What I want to achieve is the some of second row for each unique entry of first row: 2 -> 2 (=1+1) 3 -> 2 4 -> 7 (=1+3+3) 5 -> 3 (=2+1) 6 -> 1 Thanks!! Henning

Dear list, I'm trying to do a set of generic functions do make contingency tables from data.frames. It is just running "nice" (I'm learning R), but I think it can be better. I would like to filter the data.frame, i.e, eliminate all not numeric variables. And I don't know how to make it: please, help me. Below one of the my functions ('er' is a mention to EasieR,

After more than one hour of countless tries, I ask myself a simple question : On what items are plugins supposed to execute ? I''ve tried to create a filelist plugin which, for a page, displays all file in the same directory (a rather old school view of website, where each directory contains an entry point). But, whatever I try, my plugin code is never invoked, and my page content is never