Re: [R] R and clinical studies

2007-03-23 Thread Cody_Hamilton
cc Subject Re: [R] R and clinical studies

Re: [R] R and clinical studies

2007-03-20 Thread Cody_Hamilton
Thank you to all those that responded to Delphine's original post on R and clinical studies. They have provided much food for thought. I had a couple of follow up questions/comments. Andrew is very correct in pointing out that there are classes and workshops available for R. It's my

Re: [R] R and clinical studies

2007-03-20 Thread Cody_Hamilton
Thank you to all those that responded to Delphine's original post on R and clinical studies. They have provided much food for thought. I had a couple of follow up questions/comments. Andrew is very correct in pointing out that there are classes and workshops available for R. It's my

Re: [R] R and clinical studies

2007-03-20 Thread Frank E Harrell Jr
[EMAIL PROTECTED] wrote: Thank you to all those that responded to Delphine's original post on R and clinical studies. They have provided much food for thought. I had a couple of follow up questions/comments. Andrew is very correct in pointing out that there are classes and workshops

Re: [R] R and clinical studies

2007-03-19 Thread Terry Therneau
A strength of R is that there is a wide variety of contribuitions to the package, giving it great breadth. A weakness of R is that there is a wide variety of contributers to the package, some of whom spend a lot of time on the task of function correctness, and some of whom spend little; some

Re: [R] R and clinical studies

2007-03-19 Thread Cody_Hamilton
Thank you to all those that responded to Delphine's original post on R and clinical studies. They have provided much food for thought. I had a couple of follow up questions/comments. Andrew is very correct in pointing out that there are classes and workshops available for R. It's my

Re: [R] R and clinical studies

2007-03-17 Thread AJ Rossini
On Friday 16 March 2007 09:36, Delphine Fontaine wrote: Thanks for your answer which was very helpfull. I have another question: I have read in this document (http://cran.r-project.org/doc/manuals/R-intro.pdf) that most of the programs written in R are ephemeral and that new releases are not

Re: [R] R and clinical studies

2007-03-16 Thread Delphine Fontaine
Thanks for your answer which was very helpfull. I have another question: I have read in this document (http://cran.r-project.org/doc/manuals/R-intro.pdf) that most of the programs written in R are ephemeral and that new releases are not always compatible with previous releases. What I would

Re: [R] R and clinical studies

2007-03-16 Thread Frank E Harrell Jr
Delphine Fontaine wrote: Thanks for your answer which was very helpfull. I have another question: I have read in this document (http://cran.r-project.org/doc/manuals/R-intro.pdf) that most of the programs written in R are ephemeral and that new releases are not always compatible with

Re: [R] R and clinical studies

2007-03-16 Thread Cody_Hamilton
I agree that most problems arise in the data management / file derivation phase. From my reading of 21 CFR 11, it appears that this document focuses primarily on data management (as well as on software directly involved in a medical device) rather than on validation of statistical functions. I

Re: [R] R and clinical studies

2007-03-09 Thread Soukup, Mat
Delphine, Please see the following message posted a week ago: http://comments.gmane.org/gmane.comp.lang.r.general/80175. HTH, -Mat -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Delphine Fontaine Sent: Friday, March 09, 2007 8:29 AM To: