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tina
2010 Dec 26
1
Question about mars() -function
...maller
R^2.
So can you please tell me some information about why the MARS model
R^2 is so big? How can I get the MARS model?s correct R^2 in
R-projector some another way than in the following example or by
calculating it myself using R^2-formula?
I hope you can reply soon.
Best regards,
Tiina Hakanen
library(ElemStatLearn)
library(mda)
data<-ozone
m<-mars(data[,-1], data[,1], nk=4)
m$factor[m$s,]
m$cuts[m$s,]
m$coef
marsmodel<-lm(data[,1]~m$x-1)
summary(marsmodel)
Call:
lm(formula = data[, 1] ~ m$x - 1)
Residuals:
Min 1Q Median 3Q Max
-36.264 -15.993 -2...