Figure 7.

(a) Model error column graph with a tree depth of 5 and regular term parameters from 0.01 to 1.0; (b) model error column graph with a tree depth of 5 and regular term parameters from 0.2 to 0.8.

(a) Model error column graph with a tree depth of 5 and regular term parameters from 0.01 to 1.0; (b) model error column graph with a tree depth of 5 and regular term parameters from 0.2 to 0.8.