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875 discussions - 2,992 posts

  • This article is accompanied by nice pictures of Robert and Ross. Data Analysts Captivated by Power of R http://www.nytimes.com/2009/01/07/technology/business-computing/07program.html January 7, 2009 ...
    Zaslavsky, Alan M.Zaslavsky, Alan M.
    Jan 7, 2009 at 1:10 pm
    Jan 11, 2009 at 5:08 pm
  • I currently use R at work "under the radar", but there's a chance I could loose that access. I'd like to get our company to feel comfortable with open source and R in particular. Does anyone have any ...
    Daniel ViarDaniel Viar
    Jan 29, 2009 at 10:29 pm
    Feb 12, 2009 at 2:02 am
  • Dear all, The basename() function returns the extension also: [1] "myoutput.txt" Is there any other function where it just returns plain base: "myoutput" i.e. without 'txt' - Gundala Viswanath ...
    Gundala ViswanathGundala Viswanath
    Jan 9, 2009 at 2:10 am
    Jan 14, 2009 at 5:46 pm
  • Dear all, let's assume I have a vector of character strings: x <- c("abcdef", "defabc", "qwerty") What I would like to find is the following: all elements where the word 'abc' does not appear (i.e. 3 ...
    Rau, RolandRau, Roland
    Jan 18, 2009 at 6:35 pm
    Jan 20, 2009 at 3:17 pm
  • Here's a small R program: --------------------------------------------------------------------------- a <- rep(1,10000000) system.time(a <- a + 1) system.time(for (i in 1:10000000) {a[i] <- a[i] + ...
    Ajay ShahAjay Shah
    Jan 3, 2009 at 4:55 pm
    Jan 5, 2009 at 10:08 pm
  • Dear all, I have a repository file (let's call it repo.txt) that contain two columns like this: # tag value AAA 0.2 AAT 0.3 AAC 0.02 AAG 0.02 ATA 0.3 ATT 0.7 Given another query vector I would like ...
    Gundala ViswanathGundala Viswanath
    Jan 16, 2009 at 9:02 am
    Jan 16, 2009 at 6:43 pm
  • Un texte encapsul? et encod? dans un jeu de caract?res inconnu a ?t? nettoy?... Nom : non disponible URL : <https://stat.ethz.ch/pipermail/r-help/attachments/20090130/9e076631/attachment.pl
    David HajageDavid Hajage
    Jan 30, 2009 at 5:24 pm
    Feb 3, 2009 at 9:51 pm
  • Hi alI, I have a 3.1 GB Dataset ( with 11 coloumns and lots data in int and string). If I use read.table; it takes very long. It seems that my RAM is not big enough (overload) I have 3.2 RAM and 7GB ...
    Edwin SendjajaEdwin Sendjaja
    Jan 6, 2009 at 11:41 am
    Jan 7, 2009 at 1:06 pm
  • I have the following data ID x y time 1 10 20 0 1 10 30 1 1 10 40 2 2 12 23 0 2 12 25 1 2 12 28 2 2 12 38 3 3 5 10 0 3 5 15 2 ..... x is time invariant, ID is the subject id number, y is changing ...
    Gallon liGallon li
    Jan 2, 2009 at 9:20 am
    Jan 6, 2009 at 5:06 pm
  • Hi, I want to create an alias for the "<-" function and then later overwrite it. Any idea how I can get the "<-" function object? I know for other functions it's easy, something like "f <- seq" will ...
    Yi ZhangYi Zhang
    Jan 22, 2009 at 7:41 pm
    Jan 23, 2009 at 8:28 pm
  • Hi, it's my first time to write a loop with R for my homework. This loop is part of the function. I wanna assign values for hll according to panel [ii,1]=pp. I didn't get any error message in this ...
    SnowManPaddingtonSnowManPaddington
    Jan 28, 2009 at 8:21 am
    Jan 30, 2009 at 10:12 am
  • I'm attaching a file foo.Rnw and I'm hoping some of you might run it through your R & latex systems to find out if the double-quotes in typewriter font turn out as black boxes (as they do for me). If ...
    Paul JohnsonPaul Johnson
    Jan 16, 2009 at 4:31 pm
    Jan 18, 2009 at 11:53 am
  • Hi: I am going through some of the xtable examples and I can't make the one below work. I need to create a longtable on the fly keeping the column headers for all the pages and I thought this example ...
    Felipe CarrilloFelipe Carrillo
    Jan 8, 2009 at 8:30 pm
    Jan 29, 2009 at 4:58 pm
  • #I am putting a test together for an introductory biology class and I would like to put different cross hatching inside of each bar for the bar plot below color <- c("Brightly Colored", "Dull", ...
    Stephen sefickStephen sefick
    Jan 15, 2009 at 3:18 am
    Jan 20, 2009 at 5:11 pm
  • Dear all, I found that printing with 'cat' is very slow. For example in my machine this snippet __BEGIN__ # I need to resolve to use this type of loop. # because using write(), I need to create a ...
    Gundala ViswanathGundala Viswanath
    Jan 8, 2009 at 11:12 am
    Jan 17, 2009 at 3:36 pm
  • Dear All, I'm preparing a simple algorithm for matrix multiplication for a specific purpose, but I'm getting some unexpected results. If anyone could give a clue, I would really appreciate. Basically ...
    dos Reis, Marlondos Reis, Marlon
    Jan 14, 2009 at 10:11 pm
    Jan 15, 2009 at 7:06 pm
  • Dear R-list! My question is related to an Anova including within and between subject factors and unequal group sizes. Here is a minimal example of what I did: library(car) within1 <- ...
    SkotaraSkotara
    Jan 23, 2009 at 5:15 pm
    Feb 16, 2009 at 7:46 pm
  • Hi, I have imported one dataset in R. I want to calculate the percentage of missing values for each month (May 2006 to March 2007) for each variable. Just to begin with I tried the following code ...
    ShreyaseeShreyasee
    Jan 26, 2009 at 1:30 am
    Jan 26, 2009 at 3:23 pm
  • Dear community, unfortunately I did not manage load the rJava package receiving the following error-message: Error in inDL(x, as.logical(local), as.logical(now), ...) : kann shared library ...
    DrflxmsDrflxms
    Jan 23, 2009 at 12:38 pm
    Jan 26, 2009 at 8:36 am
  • Readers, I have looked at various documents hosted on the web site; I couldn't find anything on interpolation. So I started r and accessed the help (help.start()). (by the way is it possible to ...
    E-letterE-letter
    Jan 8, 2009 at 4:22 pm
    Jan 15, 2009 at 5:19 pm
  • Hi, I'm heaving difficulties with a dataset containing gene names and positions of those genes. Not such a big problem, but each gene has multiple exons so it's hard to say where de gene starts and ...
    SakeSake
    Jan 6, 2009 at 3:21 pm
    Jan 13, 2009 at 9:21 am
  • "The R Inferno" is now on the Burns Statistics website at http://www.burns-stat.com/pages/Tutor/R_inferno.pdf Abstract: If you are using R and you think you're in hell, this is a map for you. Also, ...
    Patrick BurnsPatrick Burns
    Jan 9, 2009 at 4:14 pm
    Jan 11, 2009 at 12:02 am
  • Dear colleagues, I run R on a few different machines, and view graphs and the like by tunnelling X through SSH to my local machine. This is useful for me because my local machine can't easily handle ...
    Adam D. I. KramerAdam D. I. Kramer
    Jan 31, 2009 at 11:16 pm
    Oct 14, 2009 at 5:03 pm
  • Hello, I have searched and failed for a program or script or method to conduct a power analysis for a MANOVA. My interest is a fairly simple case of 5 dependent variables and a single two-level ...
    Adam D. I. KramerAdam D. I. Kramer
    Jan 26, 2009 at 9:12 pm
    Feb 2, 2009 at 7:26 pm
  • Dear R-help, There seems to be a web page I am unable to download using RCurl. I don't understand why it won't download: [1] "" Other web pages are ok to download but this is the first time I have ...
    Clair CrossuptonClair Crossupton
    Jan 26, 2009 at 1:58 pm
    Jan 27, 2009 at 5:53 pm
  • I've seen this asked, but never fully answered. Is it possible to plot stacked histograms in R? I have four data sets that I would like to show combined vertically in histogram format. Is this ...
    Jason RupertJason Rupert
    Jan 3, 2009 at 5:00 am
    Jan 8, 2009 at 6:40 pm
  • Hi! I have been working several years with R but it's my first public question. I hope I'll be clear :) . This question is related to obtaining letter-based representation of non-parametric pairwise ...
    RetamaRetama
    Jan 8, 2009 at 11:40 am
    Oct 6, 2009 at 3:10 pm
  • Hello, in a desperate desire of using partial function application in R I fried out the following piece of code: bind <- function( f, ... ) { args <- list(...) function(...) f( ..., unlist(args) ) } ...
    NosekNosek
    Jan 15, 2009 at 9:25 pm
    Mar 12, 2009 at 11:50 am
  • Hello, i have a xls file. I will read it in r, what library-command i use for this?? any ideas?? Thanks Michele
    Michele SantacatterinaMichele Santacatterina
    Jan 18, 2009 at 2:15 pm
    Jan 20, 2009 at 4:39 pm
  • --I was not registered when I first sent this. I registered and it looks like I have to resend so sorry if this gets sent twice ... I am a total newbie at R but experienced with computers. If this is ...
    Bcbob43Bcbob43
    Jan 14, 2009 at 8:28 pm
    Jan 15, 2009 at 12:15 am
  • Hallo, yesterday I was puzzled when I discovered that I probabliy miss something in the interepretation of intercept in two-way lm models. I thought that the intercept, using the default ...
    Stefano LeonardiStefano Leonardi
    Jan 13, 2009 at 3:32 pm
    Jan 14, 2009 at 7:44 am
  • Hi all, i have a pretty easy indexing question, at least i believe so. The main reason i post it here, is that brackets and $ are hard to google. How do I index correctly, if i just want to display ...
    Bunny, lautloscrew.comBunny, lautloscrew.com
    Jan 13, 2009 at 9:26 am
    Jan 14, 2009 at 7:23 am
  • Hi all, I would like to upload some plots I create wth R via ftp or something similar but I don t really understand which command/syntax I should use: should I go for make.socket + write.socket or ...
    Thomas LoridanThomas Loridan
    Jan 8, 2009 at 3:40 pm
    Jan 11, 2009 at 8:57 am
  • Is anyone in the leadership of the R-project going to contact the New York Times and clarify that the article gave remarkably short shrift to the people who designed the user interface for R, to a ...
    Robert WilkinsRobert Wilkins
    Jan 9, 2009 at 1:58 am
    Jan 10, 2009 at 2:38 pm
  • 1. I have a list of lm (linear model) objects. Is it possible to select, through subscripts, a particular element (say, the intercept) from all the models? I've tried something like this ...
    AllenLAllenL
    Jan 6, 2009 at 6:50 pm
    Jan 8, 2009 at 1:59 pm
  • Hi, Please apologize if my questions sounds somewhat 'stupid' to the trained and experienced statisticians of you. Also I am not sure if I used all terms correctly, if not then corrections are ...
    Thomas MangThomas Mang
    Jan 29, 2009 at 4:43 pm
    Feb 2, 2009 at 5:29 pm
  • Hi folks: I am a SQL guy who just downloaded and installed R yesterday. I am trying to evaluate some "complex" aggregations we are currently performing with Syncsort (and have tried in Oracle) with ...
    Rixon, John C.Rixon, John C.
    Jan 28, 2009 at 2:13 pm
    Jan 28, 2009 at 8:28 pm
  • I'm trying to create figures in PDF that use the 'gray' colormodel instead of the default 'RGB' model, by requirements of a publisher. My problem has to do with the fact that I'm not being able to ...
    Luis TorgoLuis Torgo
    Jan 24, 2009 at 12:21 am
    Jan 27, 2009 at 12:54 am
  • de Jong, S. (1993) SIMPLS: an alternative approach to partial least squares regression. Chemometrics and Intelligent Laboratory Systems, 18, 251?263 Thanks
    AiminyAiminy
    Jan 21, 2009 at 10:45 pm
    Jan 25, 2009 at 12:04 am
  • Dear, I am trying to get a prediction of my GAM on a response type. So that I eventually get plots with the correct values on my ylab. I have been able to get some of my GAM's working with the ...
    Robbert LangenbergRobbert Langenberg
    Jan 16, 2009 at 11:36 am
    Jan 21, 2009 at 3:39 pm
  • Hi all, I am struggling with a strange issue in R that I have not encountered before and I am not sure how to resolve this. The model looks like this, with all irrelevant variables left out: LABOUR - ...
    Jos ElkinkJos Elkink
    Jan 19, 2009 at 2:15 pm
    Jan 20, 2009 at 7:23 am
  • I am trying to learn the basics of Sweave so I read some things and a friend gave me his Rnw file to play with. I am able to do R CMD Sweave mark-example.Rnw. That works. But, then when I do latex ...
    MarkleedsMarkleeds
    Jan 13, 2009 at 3:59 am
    Mar 22, 2013 at 10:56 am
  • CgwCgw
    Jan 12, 2009 at 4:54 pm
    Nov 12, 2011 at 5:38 am
  • Hi, Is there any way to load workspaces (e.g. stuff from save.image) from the command line? I'm on Linux, and would find this very helpful. I'm guessing this functionality can be duplicated with a ...
    Zhou FangZhou Fang
    Jan 12, 2009 at 12:12 pm
    Mar 16, 2010 at 1:26 pm
  • I submit the following matrix to both MATLAB and R x= 0.133 0.254 -0.214 0.116 0.254 0.623 -0.674 0.139 -0.214 -0.674 0.910 0.011 0.116 0.139 0.011 0.180 MATLAB's inv(x) provides the following 137.21 ...
    Joseph P GrayJoseph P Gray
    Jan 30, 2009 at 2:00 am
    Jan 30, 2009 at 3:02 pm
  • Suppose I have a Master.Rnw file that looks something like this: \documentclass[12pt]{mypaper} \usepackage[margin=1in]{geometry} \usepackage{setspace} \usepackage{url} \usepackage{indentfirst} ...
    Christopher W. RyanChristopher W. Ryan
    Jan 27, 2009 at 5:48 pm
    Jan 29, 2009 at 2:56 am
  • I have grouped data in this format Size -- Count 0-10 -- 15 10-20 -- 25 20-50 -- 10 50-100 -- 5 I've been trying to find a way to set this up with the proper histogram heights, but can't seem to ...
    DarthgervaisDarthgervais
    Jan 23, 2009 at 1:55 pm
    Jan 26, 2009 at 4:14 am
  • Hello, I'm looking for a textbook that can explain some of the math behind the intro-to-intermediate stuff like ANOVA, multiple regression, non- parametric tests, etc. A little background: I took an ...
    Monte MilanukMonte Milanuk
    Jan 23, 2009 at 4:57 pm
    Jan 23, 2009 at 11:32 pm
  • Dear Brian, I dont understand what you mean. The thread was about the as.Date which you suggested to be used instead of the as.date. Following your advice I tried the as.Date and have questions about ...
    Marie SivertsenMarie Sivertsen
    Jan 22, 2009 at 6:54 pm
    Jan 23, 2009 at 12:57 pm
  • Hi there, I have a list of dataframes (generated by reading multiple files) and all dataframes are comparable in dimension and column names. They also have a common column, which, I'd like to use for ...
    AntjeAntje
    Jan 21, 2009 at 8:19 am
    Jan 21, 2009 at 2:57 pm
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