Re: [R] Help understanding lrm function of Design library

2009-08-19 Thread Michael Denslow
On Tue, Aug 18, 2009 at 8:13 AM, Frank E Harrell Jr wrote: > Noah Silverman wrote: >> >> Hi, >> >> I'm developing an experiment with logistic regression. >> >> I've come across the lrm function in the Design  library. >> >> While I understand and can use the basic functionality, there are a ton of

Re: [R] Help understanding lrm function of Design library

2009-08-18 Thread Frank E Harrell Jr
Noah Silverman wrote: Hi, I'm developing an experiment with logistic regression. I've come across the lrm function in the Design library. While I understand and can use the basic functionality, there are a ton of options that go beyond my knowledge. I've carefully read the help page for lr

Re: [R] Help understanding lrm function of Design library

2009-08-18 Thread Mark Difford
Hi Noah, >> Could someone point me to an online resource where I could learn >> more? (I'm big on trying to teach myself.) [about lrm funcction and the >> Design library] Go for the hardcopy, but you could look at Google Books if you are pressed. There you will find a good preview of the text.

Re: [R] Help understanding lrm function of Design library

2009-08-18 Thread Richardson, Patrick
I found Professor Harrell's book answered most of my questions as it contains discussion of both Hmisc and Design libraries . http://www.amazon.com/Regression-Modeling-Strategies-Frank-Harrell/dp/0387952322/ref=sr_1_2?ie=UTF8&qid=1250596657&sr=8-2 Patrick -Original Message- From: r-help-