similar to: R tools help

Dear List, Say I can use getwd() and setwd() to change my working directory. How can I read in all the files within that directory using command line (like a ls() but for the path specified) Regards Ajay Websites- Technology http://decisionstats.com On Wed, Jul 4, 2012 at 3:30 PM, <r-help-request@r-project.org> wrote: > r-help@r-project.org [[alternative HTML version deleted]]

Dear List Sorry if this question seems very basic. Is there a function to pro grammatically find number of processors in my system _ I want to pass this as a parameter to snow in some serial code to parallel code functions Regards Ajay Websites- http://decisionstats.com http://dudeofdata.com Linkedin- www.linkedin.com/in/ajayohri

Dear List, Has anyone worked with R on Ubuntu Server edition. Also would it be possible to connect to this ever using remote desktop . In addition has anyone worked with using R from a Amazon EC2 cloud like structure. Any early previews of Azure SDk's and R . Could you guide me to a place where I can read about this ? This is research project for low cost analytical solutions for developing

Dear All, Slightly off -non technical topic ( but hey it is Friday) Following last week's interview with REvolution Computing which makes enterprise versions of R, here is another interview with the rapidly growing company Blue Reference CEOPaul van Eikeren at <http://www.decisionstats.com/2009/06/04/interview-inference-for-r/>

With reference to R News News: R version 3.0.0 (Masked Marvel) has been released on 2013-04-03. R version 2.15.3 (Security Blanket) has been released on 2013-03-01 R version 2.15.2 (Trick or Treat) .... R version 2.15.1 ("Roasted Marshmallows") ... R version 2.15.0 ("Easter Beagle") R version 2.14.0 ("Great Pumpkin") Dear R help List, How are these version types

I get the following message when using the reshape2 package line > tDat.m<- melt(Dataset) Using Item, Subject as id variables > tDatCast<- acast(tDat.m,Subject~Item) Aggregation function missing: defaulting to length Note Problem Statement- convert dataframe Subject Item Score 1 Subject 1 Item 1 1 2 Subject 1 Item 2 0 3 Subject 1 Item 3 1 4 Subject 2 Item 1 1 5

Dear List, One persistent feedback I am getting to people who are newly introduced to R ( especially in this cost cutting recession) is - 1) The website looks a bit old. While the current website does have a lot of hard work behind it, should n't a world class statistics package have a better website instead. You can check out www.knime.org which is an open source software , and free, and

Dear List I use synaptic to download R on my Ubuntu 10.10. It seems latest version of R on Ubuntu is 2.11.1 Even when I use debian.cran.r-project.org to update my packages the problem remains (latest versions on CRAN are almost always 2 updates ahead of Debian packages) This is also true for a lot of other packages as well My specific problem is while I can use sudo apt-get to update packages

Dear List I use synaptic to download R on my Ubuntu 10.10. It seems latest version of R on Ubuntu is 2.11.1 Even when I use debian.cran.r-project.org to update my packages the problem remains (latest versions on CRAN are almost always 2 updates ahead of Debian packages) This is also true for a lot of other packages as well My specific problem is while I can use sudo apt-get to update packages

Hi, I have a data file in a KML format which is Google Earth's format for geographic data. I need to import it into a csv file . How can I do that. KML format is just like XML format .example below Which R module with deal with an OR problem (like transportation problem using geo coded data as in the example below) Regards, Ajay www.decisionstats.com - <?xml version="1.0"

Hi List, I had the pleasure of taking Dr Bob Muenchen's interview for his upcoming book R For SAS and SPSS users. He has spent 27 years in this field while I have spent almost that much on earth. So this is more like a fan blog interview. I thought it would be of use to people curious about R, or even SAS , or SPSS if they have not worked on either of these packages before. Having fought my

Hi All, I have the following data in one column for each row , (each value is like x1,y1,z1 space x2,y2,z2 space....) 77.56787,22.09909,0 73.26787,21.09909,0 76.53487,23.09909,0 75.56787,22.09909,0 76.54587,22.09909,0 76.56787,22.03509,0 75.56457,22.05609,0 76.56787,22.05609,0 Note all z values are O (hence ,0 can be treated as a delimiter) How do I split this column into multiple columns for

Dear List, Do you know any way I can convert XML parameters into column headers. My data is in a csv file with each row containing a xml form of data , and multiple parameters ( <param1> data_val1 </param2> , <param2> data_val2 </param2> ) I want to convert it so each row caters to one record and each parameter becomes a different column. param1

Start the REvolution without me... http://danesecooper.blogs.com/divablog/2009/10/start-the-revolution-without-me.html *From Danese Cooper's Blog* Some of you may have become aware of REvolution Computing<http://revolution-computing.com/>, a commercial open source company organized around the R Language<http://www.r-project.org/>, when I joined in March

Hi List, This is a slightly non technical ,hence OT topic. Here is an Interview with Anne Milley of the SAS Institute. Anne Milley is director of product marketing, SAS Institute . In part 2 of the interview Anne talks of immigration in technology areas, open source networks ,how she misses coding ,and software as a service especially SAS Institute’s offering . She also reveals some preview on

Hi I would like to transform a data frame like Subject Item Score Subject 1 Item 1 1 Subject 1 Item 2 0 Subject 1 Item 3 1 Subject 2 Item 1 1 Subject 2 Item 2 1 Subject 2 Item 3 0 .... *to * Subject Item1 Item2 Item3 .....Item N Subject1 1 0 1 Subject2 1 1 0 ........ SubjectP.. Apologize for the simple nature of my query but I am stuck.

A SAS spokesperson has confirmed to this blog that they have invested in the R ?Core project to help build next generation algorithms . Details are sketchy but indications of some shift on cloud hosted SAS ,called SaaS are emerging.Also includes some details on Jim Davis ,SVP SAS marketing's statement on BI and Anne Milley having a new assignment within SAS Institute. Read more here -

Hi, The web interfaces are great examples of using R from the web. The wordpress plugin is a great creative thought. Taking this further- since one critical point in R vs SAS or other Corporate Type Software is the way it handles memory, could we install say R web and these plugins on a cloud scalable environment ( basically computing and memory scalable per use) to offer R as a SaaS Zementis

Dear List Forgive me for the slightly off topic query Force.com and Salesforce have many (1009) apps at http://sites.force.com/appexchange/home for cloud computing for businesses, but very few forecasting and statistical simulation apps. Example of Monte Carlo based app is here http://sites.force.com/appexchange/listingDetail?listingId=a0N300000016cT9EAI# These are like iPhone apps except

Dear List Forgive me for the slightly off topic query Force.com and Salesforce have many (1009) apps at http://sites.force.com/appexchange/home for cloud computing for businesses, but very few forecasting and statistical simulation apps. Example of Monte Carlo based app is here http://sites.force.com/appexchange/listingDetail?listingId=a0N300000016cT9EAI# These are like iPhone apps except