Re: [R] Trying something for fun...

2009-08-23 Thread Charles C. Berry
On Sun, 23 Aug 2009, Charles C. Berry wrote: On Sat, 22 Aug 2009, Noah Silverman wrote: And, of course that leads me to another question... With svm {e1071} I can ask the predict function to give me probabilities with lrm {Desigh} I can ask the predict function to give me probabilities

Re: [R] Trying something for fun...

2009-08-23 Thread Charles C. Berry
On Sat, 22 Aug 2009, Noah Silverman wrote: And, of course that leads me to another question... With svm {e1071} I can ask the predict function to give me probabilities with lrm {Desigh} I can ask the predict function to give me probabilities I can't see how to do this with clogit. Would some

Re: [R] Trying something for fun...

2009-08-22 Thread Noah Silverman
And, of course that leads me to another question... With svm {e1071} I can ask the predict function to give me probabilities with lrm {Desigh} I can ask the predict function to give me probabilities I can't see how to do this with clogit. Would someone be kind enough to explain the output optio

Re: [R] Trying something for fun...

2009-08-22 Thread Noah Silverman
Thanks Charles, I'll have a look at the conditinoal logit function One question: My strata is the "race" (Actually concatonation of date and number) So the actual "values" used in the training set are different than the test set. Will that matter? (In other words, when training a clogit i

Re: [R] Trying something for fun...

2009-08-22 Thread Charles C. Berry
On Fri, 21 Aug 2009, Noah Silverman wrote: Hi, For fun, I'm trying to throw some horse racing data into either an svm or lrm model. Curious to see what comes out as there are so many published papers on this. One thing I don't know how to do is to standardize the probabilities by race.