Re: [R] Problem with multinom ?

2005-06-13 Thread Marc Girondot
On Sat, 11 Jun 2005, John Fox wrote: Dear Marc, I get the same results -- same coefficients, standard errors, and fitted probabilities -- from multinom() and glm(). It's true that the deviances differ, but they, I believe, are defined only up to an additive constant: Yes. There are many

[R] Problem with multinom ?

2005-06-11 Thread Marc Girondot
Thanks for your response. OK, multinom() is a more logical in this context. But similar problem occurs: Let these data to be analyzed using classical glm with binomial error: m f factor m theo f theo -Ln L model-Ln L full interecept f 10 12 1.2

Re: [R] Problem with multinom ?

2005-06-11 Thread John Fox
PROTECTED] On Behalf Of Marc Girondot Sent: Saturday, June 11, 2005 3:06 AM To: John Fox Cc: r-help@stat.math.ethz.ch Subject: [R] Problem with multinom ? Thanks for your response. OK, multinom() is a more logical in this context. But similar problem occurs: Let these data

Re: [R] Problem with multinom ?

2005-06-11 Thread Prof Brian Ripley
: Saturday, June 11, 2005 3:06 AM To: John Fox Cc: r-help@stat.math.ethz.ch Subject: [R] Problem with multinom ? Thanks for your response. OK, multinom() is a more logical in this context. But similar problem occurs: Let these data to be analyzed using classical glm with binomial error: m f

Re: [R] Problem with multinom ?

2005-06-11 Thread Marc Girondot
On Sat, 11 Jun 2005, John Fox wrote: Dear Marc, I get the same results -- same coefficients, standard errors, and fitted probabilities -- from multinom() and glm(). It's true that the deviances differ, but they, I believe, are defined only up to an additive constant: Yes. There are many

Re: [R] Problem with multinom ?

2005-06-11 Thread Marc Girondot
Dear Marc, I get the same results -- same coefficients, standard errors, and fitted probabilities -- from multinom() and glm(). It's true that the deviances differ, but they, I believe, are defined only up to an additive constant: predict(dt.b, type=response) 1 2 3

Re: [R] Problem with multinom ?

2005-06-11 Thread John Fox
Dear Marc, -Original Message- From: Marc Girondot [mailto:[EMAIL PROTECTED] Sent: Saturday, June 11, 2005 2:16 PM To: John Fox Cc: [EMAIL PROTECTED] Subject: RE: [R] Problem with multinom ? Dear Marc, I get the same results -- same coefficients, standard errors, and fitted