Re: [R] Interpretation of output from glm

2005-11-10 Thread Pedro de Barros
ntario >Canada L8S 4M4 >905-525-9140x23604 >http://socserv.mcmaster.ca/jfox > > > > -Original Message- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of Pedro de Barros > > Sent: Wednesday, November 09

Re: [R] Interpretation of output from glm

2005-11-09 Thread Pedro de Barros
ote: >Dear Pedro, > > > > -Original Message- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of Pedro de Barros > > Sent: Tuesday, November 08, 2005 9:47 AM > > To: r-help@stat.math.ethz.ch > > Subject: [R] Interpretation of outp

[R] Interpretation of output from glm

2005-11-08 Thread Pedro de Barros
I am fitting a logistic model to binary data. The response variable is a factor (0 or 1) and all predictors are continuous variables. The main predictor is LT (I expect a logistic relation between LT and the probability of being mature) and the other are variables I expect to modify this relati

Re: [R] Combining two matrices

2005-07-20 Thread Pedro de Barros
ne of them, how can I create a >matrix C that is the composite of the replicated A with B. > >thank you again. > >On 7/20/05, Pedro de Barros <[EMAIL PROTECTED]> wrote: > > Please clarify: > > Is there a column of common values that you want to use to merge the two

Re: [R] Combining two matrices

2005-07-20 Thread Pedro de Barros
Please clarify: Is there a column of common values that you want to use to merge the two matrices together? Or do you just want to replicate matrix A enough times to have the same number of rows as B? I could think this was the case, but 16063 is not a multiple of 217. Anyway, you will have to c

[R] Randomization test for interaction effect

2005-07-20 Thread Pedro de Barros
case. This should consider all main effects, but no interaction. I would really appreciate any pointer to a solution of this problem. I believe it is not complicated (and probably quite obvious) but the solution keeps out of reach, even though I have been searching for over a week. Thanks, Pedro