Tuning spaces from the Bischl (2023) article.
Source
Bischl B, Binder M, Lang M, Pielok T, Richter J, Coors S, Thomas J, Ullmann T, Becker M, Boulesteix A, Deng D, Lindauer M (2023). “Hyperparameter Optimization: Foundations, Algorithms, Best Practices and Open Challenges.”
ranger tuning space
mtry.ratio \([0, 1]\)
replace [TRUE,FALSE]
sample.fraction \([0.1, 1]\)
num.trees \([1, 2000]\)
rpart tuning space
minsplit \([2, 128]\) Logscale
minbucket \([1, 64]\) Logscale
cp \([1e-04, 0.1]\) Logscale