Re: [R] Classification and Regression Tree for Survival Analysis

2017-06-13 Thread Achim Zeileis
On Tue, 13 Jun 2017, Dimitrie Siriopol via R-help wrote: I am trying to use the CART in a survival analysis. I have three variables of interest (all 3 ordinal - x, y and z, each of them with 5 categories) from which I want to make smaller groups (just an example 1st category from X variable w

Re: [R] Classification and Regression Tree for Survival Analysis

2017-06-13 Thread Bert Gunter
1. Please read and follow the posting guide below. Your post does not meet the guidelines. 2. Search before posting! e.g. on rseek.org: "Regression trees survival analysis" in which you will find: https://cran.r-project.org/web/views/MachineLearning.html -- Bert Bert Gunter "The trouble with

[R] Classification and Regression Tree for Survival Analysis

2017-06-13 Thread Dimitrie Siriopol via R-help
I am trying to use the CART in a survival analysis. I have three variables of interest (all 3 ordinal - x, y and z, each of them with 5 categories) from which I want to make smaller groups (just an example 1st category from X variable with the 2nd and 3rd categories from the Y category and 2, 3