search for: lamkelf

My institute has been heavily dependent on SAS for the past while, and SAS is starting to charge us a very deep amount for license renewal. Since we are a non-profit organization that is definitely not sustainable. The team is brainstorming possibility of switching to R, at least gradually. I am talking about the entire institute with considerable number of analysts using SAS their entire

Dear group, There are postings on extracting partial string using sub()/gsub()/gsubfn() but I still couldn't figure this one out. Supposed I am pulling the synonyms of "help" using synonyms("help") from wordnet and get the followings: > synonyms("help") [1] "c(\"aid\", \"assist\", \"assistance\", \"help\")"

Hi group, I did some searches about this very simple question. Hope someone can help me out. If I have the following: a <- "x <- 2^2" a [1] "x <- 2^2" How do I evaluate the expression that gets me an answer of 4? I tried the following: > eval(a) [1] "x <- 2^2" > get(a) Error in get(a) : object 'x <- 2^2' not found (apparently

...gt; 43. Re: extract rows having negative values (Bill.Venables at csiro.au) > 44. Re: EBImage not loading (Gregoire Pau) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 5 Jun 2009 15:33:46 -0400 > From: Kel Lam <lamkelf at gmail.com> > Subject: [R] Need suggestion to present migration flow data > To: r-help at R-project.org > Message-ID: > <8f0778dd0906051233j4cc54646ma378087d5a0c4da1 at mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > Hi group, > > I am looki...

Hi group, I've spent half a day trying to figure this out and searched through different forums. I've tried to load EBImage but am getting the following problem: >Error in inDL(x, as.logical(local), as.logical(now), ...) : > cannot initialize ImageMagick >Error: package/namespace load failed for 'EBImage' My path is like this: C:\\Program

Hi all, I wonder if there's any way to reshuffle the text collection by the document meta values. For instance, if I have 5 documents that correspond to the following meta data: MetaID Sex Age 0 M 38 0 M 46 0 F 24 0 F 49 0 F 33 Can I reorder the text documents based on the ascending order of age? Thank you very much!! -- View

Hi all, I wonder how you can replace all words that need to be changed using replacePatterns(). The following is my code. I want to replace both "abc" and "def" to " Yes ". However, I can only replace the first occurrence in sample[[1]]. > sample[[1]] [1] abc def ghi > change <- c("abc","def") >

Hi group, I have the following error code after submitting library(wordnet) in a standalone pc. rJava is already in place. Error in .jpackage(pkgname,lib.loc=libname) unused argument(s) (lib.loc=libname) Error: .onLoad failed in 'loadNamespace' for 'wordnet' Error: package/namespace load failed for 'wordnet' My guess is I miss something from the namespace but

Hi group, I've been thinking of calculating euclidean distance between each column of a data frames that each consists of standardized numerical columns. However, I don't know if there's a way of summarizing the overall distance by some kind of metrics. If anyone know a proper way of doing so and/or a package I would greatly appreciate your suggestions. Thanks very much! Kel --