Regression trees Regression trees Regression trees Linear regressions Linear regressions
test set nested cv Permutation test nested cv test set
RMSE RMSE p value RMSE RMSE
N2 3.61 3.32 .997 3.36 3.29
P3a 4.34 4.26 1 4.29 4.24
P3b 3.29 2.81 .89 2.83 2.80
IES 21.68 27.72 .82 27.86 28.01