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Table 2 Parameter search space in grid search analysis

From: Exploring drivers of patient satisfaction using a random forest algorithm

Parameter

Range

max_depth (maximum depth of the tree)

[3; 4; 5; 6; 7; 8; 9; 10; 12; 15]

min_samples_leaf (minimum number of data points allowed in a leaf node)

[1; 2; 3; 4; 5; 6; 7; 8; 9; 10; 15]

min_samples_split (minimum number of data points in a node before the node is split)

[2; 3; 4; 5; 6; 8; 10; 15]

n_estimator (number of trees in the forest)

[100; 150; 200; 250; 300; 400; 500; 600; 800; 1000; 1200]