search for: phragdiff

Displaying 1 result from an estimated 1 matches for "phragdiff".

2008 Mar 01
1
model R^2 and partial R^2 values
Dear R-list members, I am doing a CART analysis in R using the rpart function in the rpart package: Phrag.rpart=rpart(PhragDiff~., data = Phrag, method="anova", xval=10). I used the xerror values in the CP table to prune the tree to 4 nsplits: CP nsplit rel error xerror xstd 1 0.098172 0 1.00000 1.02867 0.12768 2 0.055991 3 0.70548 1.00823 0.12911 3 0.029306 4 0.64949 0.83275...