[R] question for Logic Regression

Yasir Kaheil kaheil at gmail.com
Mon May 19 06:24:24 CEST 2008


try
alltrees <- predict(fit, model.dat2) # make sure response variable is not
included in model.dat2

also to see the other attributes in "fit", try: attributes(fit)

thanks
y



coldeyes.Rhelp wrote:
> 
> Hi All:
> 
> how to get the coefficient for logic regression using selection=2 ( fit 
> multiple models) and type=3 ( logistic regression)
> for example i have a fit like below :
> fit<-logreg(resp = model.dat[,21], bin=model.dat[, 
> 2:18],sep=model.dat[,1] ,type=3,select=2,ntrees=2,nleaves=6 
> ,anneal.control=Annealing,tree.control=TreeControl)
> 
> i try to use  fit$coef  but i get nothing.
> 
> and i try to use eval.logreg to evaluate a validate data "model.dat2", 
> but i cannot fit "model" class make below formula work
> alltrees <- eval.logreg(fit$model , model.dat2)
>  
> could anyone enlighten me a little.
> thanks
> leo
> 
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> 


-----
Yasir H. Kaheil
Catchment Research Facility
The University of Western Ontario 

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