search for: chbiomsq

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2012 Dec 07
0
loop for calculating 1-se in rpart
...but it was only for selecting the minimum cross-validation error. I include the code for my model, some relevant output and the code for selecting and plotting the frequency histogram of minimum xerror. Here is the output that is being referenced in the code below Regression tree: rpart(formula = chbiomsq ~ HC + BC + POC + RUG + Depth + Exp + DFP + FI + LAT, data = ch, method = "anova", control = rpart.control(minsplit = 10, cp = 0.01, xval = 10)) Variables actually used in tree construction: [1] BC Depth DFP Exp Root node error: 47456/99 = 479.35 n= 99 CP nsplit...