[R] A really simple data manipulation example

2007-06-26 Thread Robert Wilkins
In response to those who asked for a better explanation of what the Vilno software does, here's a simple example that gives some idea of what it does. LABRESULTS is a dataset with multiple rows per patient , with lab sodium measurements. It has columns: PATIENT_ID, VISIT_NUM, and SODIUM. DEMO is

[R] Has anyone tryed out my software?

2007-06-25 Thread Robert Wilkins
Hello all, Has anyone ( who uses a Linux desktop ) tryed out my stuff I mentioned a few weeks ago? Perhaps installed it and run a couple of example programs? If you have, tell me what you think. Robert ( it's the tarball in the download section at http://code.google.com/p/vilno , discussed br

Re: [R] Tools For Preparing Data For Analysis

2007-06-14 Thread Robert Wilkins
[ Arrggh, not reply , but reply to all , cross my fingers again , sorry Peter! ] Hmm, I don't think you need a retain statement. if first.patientID ; or if last.patientID ; ought to do it. It's actually better than the Vilno version, I must admit, a bit more concise: if ( not firstrow(patient

[R] Where to Find Data Transformation Software

2007-06-13 Thread Robert Wilkins
Hello All, Here is the requested information. Most of it was on the original post for the "Tools For Preparing Data For Analysis" thread from last week, but it got overlooked. They are all given under an open source license. Check 'em out! ***

[R] Difficulties With Posting To Ongoing Threads on the R Mailing List

2007-06-13 Thread Robert Wilkins
A number of people are having the same problem as me, when you post as a response to an ongoing thread, in place of your message, the following message appears: An embedded & charset-unspecified text was scrubbed ... and a link is given that leads to the desired message. It's better than nothing

[R] Awk and Vilno

2007-06-12 Thread Robert Wilkins
In clinical trial data preparation and many other data situations, the statistical programmer needs to merge and re-merge multiple input files countless times. A syntax for merging files that is clear and concise is very important for the statistical programmer's productivity. Here is how Vilno do

Re: [R] Tools For Preparing Data For Analysis

2007-06-09 Thread Robert Wilkins
Is there an example available of this sort of problematic data that > requires this kind of data screening and filtering? For many of us, > this issue would be nice to learn about, and deal with within R. If a > package could be created, that would be optimal for some of us. I > would like

[R] How do you do an e-mail post that is within an ongoing thread?

2007-06-08 Thread Robert Wilkins
That may sound like a stupid question, but if it confuses me, I'm sure it confuses others as well. I've tried to find that information on the R mail-group info pages, can't seem to find it. Is it something obvious? To begin a brand new discussion, you do your post as an e-mail sent to r-help@stat

[R] Tools For Preparing Data For Analysis

2007-06-07 Thread Robert Wilkins
extremely high volumes of data. The maintenance of Vilno has slowed down, because I am currently (desparately) looking for employment. But once I've found new employment and living quarters and settled in, I will continue to enhance Vilno in my spare time. The founder: that would be me, Rob

[R] Why is the R mailing list so hard to figure out?

2007-06-04 Thread Robert Wilkins
Why does the R mailing list need such an unusual and customized user interface? Last January, I figured out how to read Usenet mailing lists ( or Usenet groups ) and they all pretty much work the same, learn to use one, you've learned to use them all ( gnu.misc.discuss , comp.lang.lisp , and so on