Table 4 The hyperparameters of TPE optimized LightGBM model.

From: A novel stroke classification model based on EEG feature fusion

Hyperparameters name

Value

n_estimators

15,000

learning_rate

0.15019970599177168

num_leaves

2555

max_depth

6

min_data_in_leaf

200

max_bin

291

lambda_l1

2

lambda_l2

58

min_gain_to_split

0.0018095911494751889

bagging_fraction

0.95

bagging_freq

1

feature_fraction

0.30000000000000004