Re: [R] logistic regression by glm

2011-11-20 Thread
Thank you very much :) I search on net and find sometimes response value in logistic model can have more than 2 values, and the way of this kinds of regression is called "Ordinal Logistic Regression". and even we can caculate it by the same way I mean glm in R. here are some references: 1. http:

Re: [R] logistic regression by glm

2011-11-20 Thread
Thank you Ligges :) one more question: my response value "diagnostic" have 4 levels (0, 1, 2 and 3), so I use it like this: "as.factor(diagnostic) ~ as.factor(7161521) +as.factor(2281517) " Is it all right? ÔÚ 2011-11-20 23:45:23£¬"Uwe Ligges" дµÀ£º > > >On 20.11.2011 12:46, tujchl wrote: >

Re: [R] logistic regression by glm

2011-11-20 Thread
I worried it too, Do you have idear that what tools I can use? ÔÚ 2011-11-21 00:13:26£¬"Uwe Ligges" дµÀ£º > > >On 20.11.2011 16:58, ÍÀ¾Ï´«Àñ wrote: >> Thank you Ligges :) >> one more question: >> my response value "diagnostic" have 4 levels (0, 1, 2 and 3), so I use it >> like this: >> "as.