tree
version=v4
num_class=1
num_tree_per_iteration=1
label_index=0
max_feature_idx=2
objective=regression
feature_names=Column_0 Column_1 Column_2
feature_infos=[0:3] [0:2] [0:1]
tree_sizes=511 511 479 481 512

Tree=0
num_leaves=4
num_cat=0
split_feature=0 1 1
split_gain=103.042 36.1537 27.6828
threshold=1.5000000000000002 1.5000000000000002 1.0000000180025095e-35
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=0.120797691742579 0.72540181966928319 1.0691965341567993 0.52264745235443111
leaf_weight=3.0000000000000027 13.000000000000002 3.9999999999999991 4
leaf_count=3 13 4 4
internal_value=0.673333 0.806295 0.350426
internal_weight=24 17 7
internal_count=24 17 7
is_linear=0
shrinkage=0.1


Tree=1
num_leaves=4
num_cat=0
split_feature=0 1 1
split_gain=83.4642 29.2845 22.4231
threshold=1.5000000000000002 1.5000000000000002 1.0000000180025095e-35
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=0.10871792435646045 0.65286163183358992 0.96227686405181889 0.47038271427154532
leaf_weight=3.0000000000000027 13.000000000000002 3.9999999999999991 4
leaf_count=3 13 4 4
internal_value=0.606 0.725665 0.315384
internal_weight=24 17 7
internal_count=24 17 7
is_linear=0
shrinkage=0.1


Tree=2
num_leaves=4
num_cat=0
split_feature=1 0 0
split_gain=71.5122 35.9288 13.2441
threshold=1.0000000180025095e-35 2.5000000000000004 2.5000000000000004
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=0.097846128543217878 0.51869454860687247 0.80301778316497785 0.39498934745788561
leaf_weight=3.0000000000000027 10 8 3
leaf_count=3 10 8 3
internal_value=0.5454 0.64506 0.246418
internal_weight=24 18 6
internal_count=24 18 6
is_linear=0
shrinkage=0.1


Tree=3
num_leaves=4
num_cat=0
split_feature=1 0 0
split_gain=57.9249 29.1023 10.7277
threshold=1.0000000180025095e-35 2.5000000000000004 2.5000000000000004
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=0.088061518470446187 0.46682508707046505 0.72271602153778058 0.35549042224884025
leaf_weight=3.0000000000000027 10 8 3
leaf_count=3 10 8 3
internal_value=0.49086 0.580554 0.221776
internal_weight=24 18 6
internal_count=24 18 6
is_linear=0
shrinkage=0.1


Tree=4
num_leaves=4
num_cat=0
split_feature=0 1 2
split_gain=48.797 22.4597 10.6973
threshold=1.5000000000000002 1.5000000000000002 1.0000000180025095e-35
decision_type=2 2 2
left_child=-1 2 -2
right_child=1 -3 -4
leaf_value=0.2195622844355446 0.5534975188119069 0.74048652648925783 0.37153439919153847
leaf_weight=7.0000000000000027 7.0000000000000018 3.9999999999999991 6
leaf_count=7 7 4 6
internal_value=0.441774 0.533273 0.469515
internal_weight=24 17 13
internal_count=24 17 13
is_linear=0
shrinkage=0.1


end of trees

feature_importances:
Column_0=7
Column_1=7
Column_2=1

parameters:
[boosting: gbdt]
[objective: regression]
[metric: l2]
[tree_learner: serial]
[device_type: cpu]
[data_sample_strategy: bagging]
[data: ]
[valid: ]
[num_iterations: 5]
[learning_rate: 0.1]
[num_leaves: 4]
[num_threads: 1]
[seed: 97913454]
[deterministic: 1]
[force_col_wise: 0]
[force_row_wise: 1]
[histogram_pool_size: -1]
[max_depth: -1]
[min_data_in_leaf: 1]
[min_sum_hessian_in_leaf: 0.001]
[bagging_fraction: 1]
[pos_bagging_fraction: 1]
[neg_bagging_fraction: 1]
[bagging_freq: 0]
[bagging_seed: 10546]
[bagging_by_query: 0]
[feature_fraction: 1]
[feature_fraction_bynode: 1]
[feature_fraction_seed: 7954]
[extra_trees: 0]
[extra_seed: 5900]
[early_stopping_round: 0]
[early_stopping_min_delta: 0]
[first_metric_only: 0]
[max_delta_step: 0]
[lambda_l1: 0]
[lambda_l2: 0]
[linear_lambda: 0]
[min_gain_to_split: 0]
[drop_rate: 0.1]
[max_drop: 50]
[skip_drop: 0.5]
[xgboost_dart_mode: 0]
[uniform_drop: 0]
[drop_seed: 19230]
[top_rate: 0.2]
[other_rate: 0.1]
[min_data_per_group: 100]
[max_cat_threshold: 32]
[cat_l2: 10]
[cat_smooth: 10]
[max_cat_to_onehot: 4]
[top_k: 20]
[monotone_constraints: ]
[monotone_constraints_method: basic]
[monotone_penalty: 0]
[feature_contri: ]
[forcedsplits_filename: ]
[refit_decay_rate: 0.9]
[cegb_tradeoff: 1]
[cegb_penalty_split: 0]
[cegb_penalty_feature_lazy: ]
[cegb_penalty_feature_coupled: ]
[path_smooth: 0]
[interaction_constraints: ]
[verbosity: -1]
[saved_feature_importance_type: 0]
[use_quantized_grad: 0]
[num_grad_quant_bins: 4]
[quant_train_renew_leaf: 0]
[stochastic_rounding: 1]
[linear_tree: 0]
[max_bin: 255]
[max_bin_by_feature: ]
[min_data_in_bin: 1]
[bin_construct_sample_cnt: 1000000]
[data_random_seed: 26803]
[is_enable_sparse: 1]
[enable_bundle: 1]
[use_missing: 1]
[zero_as_missing: 0]
[feature_pre_filter: 0]
[pre_partition: 0]
[two_round: 0]
[header: 0]
[label_column: ]
[weight_column: ]
[group_column: ]
[ignore_column: ]
[categorical_feature: ]
[forcedbins_filename: ]
[precise_float_parser: 0]
[parser_config_file: ]
[objective_seed: 2622]
[num_class: 1]
[is_unbalance: 0]
[scale_pos_weight: 1]
[sigmoid: 1]
[boost_from_average: 0]
[reg_sqrt: 0]
[alpha: 0.9]
[fair_c: 1]
[poisson_max_delta_step: 0.7]
[tweedie_variance_power: 1.5]
[lambdarank_truncation_level: 30]
[lambdarank_norm: 1]
[label_gain: ]
[lambdarank_position_bias_regularization: 0]
[eval_at: ]
[multi_error_top_k: 1]
[auc_mu_weights: ]
[num_machines: 1]
[local_listen_port: 12400]
[time_out: 120]
[machine_list_filename: ]
[machines: ]
[gpu_platform_id: -1]
[gpu_device_id: -1]
[gpu_use_dp: 0]
[num_gpu: 1]

end of parameters

pandas_categorical:null
