Search Archives
Search tips
from:Name
Search by author name, e.g. from:Duncan Murdoch
"exact phrase"
Match an exact phrase
word1 word2
Match messages containing both words
Date range
Use the date pickers to filter results to a time period
Use the list dropdown to narrow results to a specific mailing list. Combine from: with other terms to filter by author and content.
An embedded and charset-unspecified text was scrubbed... Name: not available Url: https://stat.ethz.ch/pipermail/r-help/attachments/20080327/308c3eaa/attachment.pl
An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20090318/33eb3d75/attachment-0002.pl>
An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20090811/e138a0f4/attachment-0001.pl>
Dear all, I used cph() function from Frank harrell's Design package to create a survival model, then used functions 'Function' and 'sascode' to generate prediction equation based on the saved survival model. But it failed. I included a stratified...
Thanks very much. -----Original Message----- From: David M Smith [mailto:david at revolution-computing.com] Sent: Wednesday, March 18, 2009 12:55 PM To: Yu, Changhong Cc: r-help at r-project.org Subject: Re: [R] numeric equality On Wed...
Dear Dr. Harrell, Thanks for response so quickly. Here is example code to illustrate the problem. > n <- 1000 > set.seed(731) > age <- 50 + 12*rnorm(n) > label(age) <- "Age" > sex <- factor(sample(c('Male','Female'), n, + rep=TRUE, prob=c...
Can't find what you're looking for? Try searching with Google .