Re: [R] Linear Logistic Regression - Understanding the output (and possibly the test to use!)

2010-09-05 Thread stats
David Winsemius wrote: 1. is glm the right thing to use before I waste my time Yes, but if your outcome variable is binomial then the family argument should be binomial. (And if you thought it should be poisson, then why below did you use gaussian??? Used gaussian below because it was

Re: [R] Linear Logistic Regression - Understanding the output (and possibly the test to use!)

2010-09-05 Thread David Winsemius
On Sep 5, 2010, at 6:06 AM, st...@wittongilbert.free-online.co.uk wrote: David Winsemius wrote: 1. is glm the right thing to use before I waste my time Yes, but if your outcome variable is binomial then the family argument should be binomial. (And if you thought it should be

Re: [R] Linear Logistic Regression - Understanding the output (and possibly the test to use!)

2010-09-05 Thread Peng, C
Calum-4 wrote: Hi I know asking which test to use is frowned upon on this list... so please do read on for at least a couple on sentences... I have some multivariate data slit as follows Tumour Site (one of 5 categories) # Chemo Schedule (one of 3 cats) ## Cycle (one of 3 cats*) ##

Re: [R] Linear Logistic Regression - Understanding the output (and possibly the test to use!)

2010-09-05 Thread Frank Harrell
On Sun, 5 Sep 2010, st...@wittongilbert.free-online.co.uk wrote: David Winsemius wrote: 1. is glm the right thing to use before I waste my time Yes, but if your outcome variable is binomial then the family argument should be binomial. (And if you thought it should be poisson, then why

[R] Linear Logistic Regression - Understanding the output (and possibly the test to use!)

2010-09-04 Thread stats
Hi I know asking which test to use is frowned upon on this list... so please do read on for at least a couple on sentences... I have some multivariate data slit as follows Tumour Site (one of 5 categories) # Chemo Schedule (one of 3 cats) ## Cycle (one of 3 cats*) ## Dose (one of 3 cats*) #

Re: [R] Linear Logistic Regression - Understanding the output (and possibly the test to use!)

2010-09-04 Thread David Winsemius
On Sep 4, 2010, at 6:53 PM, st...@wittongilbert.free-online.co.uk wrote: Hi I know asking which test to use is frowned upon on this list... so please do read on for at least a couple on sentences... I have some multivariate data slit as follows Tumour Site (one of 5 categories) # Chemo