[R] Creating a GUI based workflow

Hello R-users, I am interested to know if there is a tool that allows us to build SAS Enterprise Miner like workflows using the R scripts. For example, let's say I have the R scripts/functions for the following tasks: 1. Data Cleaning 2. Model Building 3. Model Validation 4. Visualization I

Re: [R] Text Summarization

Mike, This is what I am looking for. http://en.wikipedia.org/wiki/Automatic_summarization I want to obtain a summary of a huge document as meaningful sentences. I do not want a bag of words as the output. I have 1000's of documents each one running to 3-4 pages. I plan to use R to do

Re: [R] Optimzing a nested function

Thanks Duncan and Mario. It works fine now. On Tue, Apr 12, 2011 at 3:11 PM, Duncan Murdoch murdoch.dun...@gmail.comwrote: On 11-04-12 2:33 AM, vioravis wrote: I am trying to optimize a nested function using nlminb. This throws out an error that y is missing. Can someone help me with the