tree
version=v4
num_class=1
num_tree_per_iteration=1
label_index=0
max_feature_idx=1
objective=fair
feature_names=Column_0 Column_1
feature_infos=[0:5] [0:2]
tree_sizes=517 543 550 548 552 548 554 556 551 560 564 555

Tree=0
num_leaves=4
num_cat=0
split_feature=0 0 0
split_gain=198.655 151.327 27.8798
threshold=3.5000000000000004 1.5000000000000002 1.0000000180025095e-35
decision_type=2 2 2
left_child=1 2 -1
right_child=-2 -3 -4
leaf_value=6.570135590587876 13.83849206208312 11 8.9681415457109122
leaf_weight=0.073057848960161098 0.21719050034880649 1.388888895511627 0.14413265138864517
leaf_count=2 4 4 2
internal_value=11 10.6162 8.16151
internal_weight=1.82327 1.60608 0.217191
internal_count=12 8 4
is_linear=0
shrinkage=1


Tree=1
num_leaves=4
num_cat=0
split_feature=0 0 0
split_gain=78.6076 38.439 18.8908
threshold=2.5000000000000004 4.5000000000000009 1.5000000000000002
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=-1.0480411521483812 0.36543854284336108 2.1379948922220726 -0.24000000171661343
leaf_weight=0.49594558775424979 1.075559616088867 0.13804303109645832 0.6944444477558136
leaf_count=4 4 2 2
internal_value=0.000727199 0.567061 -0.57665
internal_weight=2.40399 1.2136 1.19039
internal_count=12 6 6
is_linear=0
shrinkage=0.1


Tree=2
num_leaves=4
num_cat=0
split_feature=0 0 0
split_gain=46.1748 10.4132 6.93179
threshold=2.5000000000000004 4.5000000000000009 1.5000000000000002
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=-0.60582616499818565 0.26255173649166552 0.94499358989215354 -0.18401407880583143
leaf_weight=0.75231443345546745 1.3305711001157758 0.26875105500221241 0.80803319811820984
leaf_count=4 4 2 2
internal_value=-0.000363796 0.37723 -0.387389
internal_weight=3.15967 1.59932 1.56035
internal_count=12 6 6
is_linear=0
shrinkage=0.1


Tree=3
num_leaves=4
num_cat=0
split_feature=0 0 0
split_gain=29.4299 6.2524 3.13641
threshold=2.5000000000000004 3.5000000000000004 1.5000000000000002
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=-0.40094585921063547 0.10608915625018307 0.46316153227413492 -0.14510949445858309
leaf_weight=1.0053573846817019 1.0627194344997404 0.9105435162782668 0.91560089588165272
leaf_count=4 2 4 2
internal_value=-0.000381212 0.270857 -0.279005
internal_weight=3.89422 1.97326 1.92096
internal_count=12 6 6
is_linear=0
shrinkage=0.1


Tree=4
num_leaves=4
num_cat=0
split_feature=0 0 0
split_gain=19.7838 3.19839 1.94741
threshold=2.5000000000000004 3.5000000000000004 1.0000000180025095e-35
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=-0.38013407532618032 0.08751110897521519 0.32266415595328768 -0.15969865525219348
leaf_weight=0.51988282799720775 1.1540746390819552 1.1595467478036878 1.7492146790027618
leaf_count=2 2 4 4
internal_value=-0.000400174 0.205366 -0.210204
internal_weight=4.58272 2.31362 2.2691
internal_count=12 6 6
is_linear=0
shrinkage=0.1


Tree=5
num_leaves=4
num_cat=0
split_feature=0 0 0
split_gain=13.7548 1.82837 1.16224
threshold=2.5000000000000004 4.5000000000000009 1.5000000000000002
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=-0.22299874603857789 0.11600934850645434 0.31626910124140717 -0.088403954305970478
leaf_weight=1.4522899836301804 2.0534689724445347 0.58601151406764973 1.149267703294754
leaf_count=4 4 2 2
internal_value=-0.000362471 0.160471 -0.16354
internal_weight=5.24104 2.63948 2.60156
internal_count=12 6 6
is_linear=0
shrinkage=0.1


Tree=6
num_leaves=4
num_cat=0
split_feature=0 0 0
split_gain=9.80816 1.35501 0.764301
threshold=2.5000000000000004 3.5000000000000004 1.0000000180025095e-35
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=-0.21882929816543173 0.055185895277586217 0.19105400512706727 -0.10079047631859704
leaf_weight=0.73299953341484103 1.3669200837612154 1.5853208899497984 2.1798968911170959
leaf_count=2 2 4 4
internal_value=-0.000306558 0.128146 -0.130494
internal_weight=5.86514 2.95224 2.9129
internal_count=12 6 6
is_linear=0
shrinkage=0.1


Tree=7
num_leaves=4
num_cat=0
split_feature=0 0 1
split_gain=7.13888 0.844633 0.69512
threshold=2.5000000000000004 3.5000000000000004 1.0000000180025095e-35
decision_type=2 2 2
left_child=-1 2 -2
right_child=1 -3 -4
leaf_value=-0.10605816293838566 0.00072402343830907032 0.14997276791425804 0.15144544579548758
leaf_weight=3.2060688138008118 0.99282461404800437 1.8041445314884184 0.44231459498405457
leaf_count=6 1 4 1
internal_value=-0.000271802 0.10443 0.0471769
internal_weight=6.44535 3.23928 1.43514
internal_count=12 6 2
is_linear=0
shrinkage=0.1


Tree=8
num_leaves=4
num_cat=0
split_feature=0 0 1
split_gain=5.31844 0.586544 0.904682
threshold=2.5000000000000004 4.5000000000000009 1.5000000000000002
decision_type=2 2 2
left_child=-1 -2 -3
right_child=1 2 -4
leaf_value=-0.088574441281653579 0.062850656098091165 0.08372631489616239 0.29726611176148965
leaf_weight=3.4392041563987732 2.6157365739345555 0.57592719793319691 0.30266073346138
leaf_count=6 4 1 1
internal_value=-0.000293326 0.0865952 0.157288
internal_weight=6.93353 3.49432 0.878588
internal_count=12 6 2
is_linear=0
shrinkage=0.1


Tree=9
num_leaves=4
num_cat=0
split_feature=0 0 1
split_gain=4.15713 0.385367 0.451493
threshold=2.5000000000000004 3.5000000000000004 1.0000000180025095e-35
decision_type=2 2 2
left_child=-1 2 -2
right_child=1 -3 -4
leaf_value=-0.077646551999399988 -0.0057948719556314508 0.10167468147437225 0.11072775941331117
leaf_weight=3.5262061953544617 0.94593542814254783 2.1631774604320526 0.51279479265213013
leaf_count=6 1 4 1
internal_value=-0.000357903 0.0748886 0.0351669
internal_weight=7.14811 3.62191 1.45873
internal_count=12 6 2
is_linear=0
shrinkage=0.1


Tree=10
num_leaves=4
num_cat=0
split_feature=0 0 1
split_gain=3.2036 0.318117 0.840413
threshold=2.5000000000000004 1.0000000180025095e-35 1.0000000180025095e-35
decision_type=2 2 2
left_child=1 2 -1
right_child=-2 -3 -4
leaf_value=-0.24308168554257545 0.063118574432209182 -0.049284178108833017 -0.050973584030231139
leaf_weight=0.34176945686340354 3.8497371673583984 2.6009454131126404 0.682403564453125
leaf_count=1 6 4 1
internal_value=-0.000409103 -0.0678731 -0.115081
internal_weight=7.47486 3.62512 1.02417
internal_count=12 6 2
is_linear=0
shrinkage=0.1


Tree=11
num_leaves=4
num_cat=0
split_feature=0 0 1
split_gain=2.50956 0.260991 0.497222
threshold=2.5000000000000004 4.5000000000000009 1.5000000000000002
decision_type=2 2 2
left_child=-1 -2 -3
right_child=1 2 -4
leaf_value=-0.058926021006953481 0.039384699588196771 0.046171575109412236 0.1861700128245225
leaf_weight=3.7444976568222046 2.8446449041366577 0.70210075378417991 0.39721640944480896
leaf_count=6 4 1 1
internal_value=-0.000292124 0.0553764 0.0967572
internal_weight=7.68846 3.94396 1.09932
internal_count=12 6 2
is_linear=0
shrinkage=0.1


end of trees

feature_importances:
Column_0=31
Column_1=5

parameters:
[boosting: gbdt]
[objective: fair]
[metric: fair,l2]
[tree_learner: serial]
[device_type: cpu]
[data_sample_strategy: bagging]
[data: ]
[valid: ]
[num_iterations: 12]
[learning_rate: 0.1]
[num_leaves: 4]
[num_threads: 1]
[seed: 1610969088]
[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: 29656]
[bagging_by_query: 0]
[feature_fraction: 1]
[feature_fraction_bynode: 1]
[feature_fraction_seed: 11837]
[extra_trees: 0]
[extra_seed: 9745]
[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: 8611]
[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: 8662]
[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: 557]
[num_class: 1]
[is_unbalance: 0]
[scale_pos_weight: 1]
[sigmoid: 1]
[boost_from_average: 1]
[reg_sqrt: 0]
[alpha: 0.9]
[fair_c: 2]
[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
