Re: [R] Checking the assumptions for a proper GLM model

2010-02-19 Thread Greg Snow
: [R] Checking the assumptions for a proper GLM model > > So what I'm looking for is readily available tools/packages that could > produce some of the following: > > 3.6 Summary of Useful Commands (STATA: Source: > http://www.ats.ucla.edu/stat/Stata/webbooks/logistic/chapt

Re: [R] Checking the assumptions for a proper GLM model

2010-02-18 Thread Jay
Well, yes and no. Obviously I was not asking for the complete recap of a all the theory on the subject. My main concern is finding readily available CRAN functions and packages that would help me in the process. I've found the UCLA site to be very informative and spent a lot of time ther the last c

Re: [R] Checking the assumptions for a proper GLM model

2010-02-18 Thread David Winsemius
At one time the "answer" would have been to buy a copy of Venables and Ripley's "Modern Applied Statistics with S" (and R), and that would still be a sensible strategy. There are now quite a few other R- centric texts that have been published in the last few years. Search Amazon if needed. Y

Re: [R] Checking the assumptions for a proper GLM model

2010-02-18 Thread Jay
So what I'm looking for is readily available tools/packages that could produce some of the following: 3.6 Summary of Useful Commands (STATA: Source: http://www.ats.ucla.edu/stat/Stata/webbooks/logistic/chapter3/statalog3.htm) * linktest--performs a link test for model specification, in our ca

[R] Checking the assumptions for a proper GLM model

2010-02-17 Thread Jay
Hello, Are there any packages/functions available for testing the assumptions underlying assumptions for a good GLM model? Like linktest in STATA and smilar. If not, could somebody please describe their work process when they check the validity of a logit/probit model? Regards, Jay _