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=542 549 555 557 554 555 560 551 552 553 552 551

Tree=0
num_leaves=4
num_cat=0
split_feature=0 0 0
split_gain=170.199 30.8768 15.508
threshold=1.5000000000000002 1.0000000180025095e-35 2.5000000000000004
decision_type=2 2 2
left_child=1 -1 -2
right_child=2 -3 -4
leaf_value=2.9944751680563595 10.399999986588961 7.4917647140682675 11.794341730484696
leaf_weight=0.022345678880810738 0.1111111119389534 0.048185940831899643 0.28275384195148945
leaf_count=2 1 2 3
internal_value=10.5909 6.06694 11.401
internal_weight=0.464397 0.0705316 0.393865
internal_count=8 4 4
is_linear=0
shrinkage=1


Tree=1
num_leaves=4
num_cat=0
split_feature=0 1 1
split_gain=18.1727 20.313 32.2331
threshold=2.5000000000000004 1.0000000180025095e-35 1.5000000000000002
decision_type=2 2 2
left_child=-1 -2 -3
right_child=1 2 -4
leaf_value=-0.1048861099798456 0.14139543885169389 0.64642675661482341 3.4891138754059448
leaf_weight=1.9937097430229189 0.71390870213508595 0.22040447313338518 0.048702120780944824
leaf_count=5 2 2 2
internal_value=0.0686102 0.420488 1.16089
internal_weight=2.97673 0.983015 0.269107
internal_count=11 6 4
is_linear=0
shrinkage=0.1


Tree=2
num_leaves=4
num_cat=0
split_feature=0 0 0
split_gain=11.4468 0.483562 2.65145
threshold=3.5000000000000004 1.0000000180025095e-35 2.5000000000000004
decision_type=2 2 2
left_child=1 -1 -3
right_child=-2 2 -4
leaf_value=0.012260151956155652 0.5445941457418314 -0.31347526286482807 0.0068392540429442058
leaf_weight=0.81102180480957109 0.38748393021523941 0.3653668016195295 0.88288110494613647
leaf_count=1 3 2 1
internal_value=0.0459668 -0.0478577 -0.086918
internal_weight=2.44675 2.05927 1.24825
internal_count=7 4 3
is_linear=0
shrinkage=0.1


Tree=3
num_leaves=4
num_cat=0
split_feature=0 1 0
split_gain=2.52318 0.0459321 0.155459
threshold=3.5000000000000004 1.0000000180025095e-35 2.5000000000000004
decision_type=2 2 2
left_child=1 -1 -3
right_child=-2 2 -4
leaf_value=0.0060721043562026872 0.23334895769970709 0.010778436867371973 0.085752945048903975
leaf_weight=0.89433866739273127 0.78123002313077439 0.82923197746276855 0.41495123505592346
leaf_count=1 3 1 1
internal_value=0.0795447 0.023358 0.0357834
internal_weight=2.91975 2.13852 1.24418
internal_count=6 3 2
is_linear=0
shrinkage=0.1


Tree=4
num_leaves=4
num_cat=0
split_feature=0 0 1
split_gain=2.54685 0.359117 0.248869
threshold=3.5000000000000004 2.5000000000000004 1.5000000000000002
decision_type=2 2 2
left_child=1 2 -1
right_child=-2 -3 -4
leaf_value=-0.06511459152837748 0.16986359261201964 0.026797198899196739 0.00076404501202373941
leaf_weight=1.3723722696304324 0.94518249854445446 1.3695924580097201 0.98500490188598622
leaf_count=3 3 2 1
internal_value=0.0232536 -0.0139276 -0.0375879
internal_weight=4.67215 3.72697 2.35738
internal_count=9 6 4
is_linear=0
shrinkage=0.1


Tree=5
num_leaves=4
num_cat=0
split_feature=0 0 0
split_gain=6.24151 0.896121 2.98756
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=0.01757392056792274 0.29499635677958708 0.013884685419765942 -0.33551290737723377
leaf_weight=0.75288385152816795 0.76467872969806183 2.421502023935318 0.35152442008256912
leaf_count=1 4 3 2
internal_value=0.0360066 -0.0201616 -0.0948108
internal_weight=4.29059 3.52591 1.10441
internal_count=10 6 3
is_linear=0
shrinkage=0.1


Tree=6
num_leaves=4
num_cat=0
split_feature=0 1 1
split_gain=3.658 4.07928 0.383467
threshold=2.5000000000000004 1.0000000180025095e-35 1.0000000180025095e-35
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=-0.13465780218282425 0.0010783427939963898 0.33817622923029234 -0.046724633048024718
leaf_weight=0.64372730255126986 0.97899752855300881 0.56682662852108479 2.1600618362426758
leaf_count=2 1 3 4
internal_value=0.00117987 0.124686 -0.0669134
internal_weight=4.34961 1.54582 2.80379
internal_count=10 4 6
is_linear=0
shrinkage=0.1


Tree=7
num_leaves=4
num_cat=0
split_feature=0 0 1
split_gain=3.54681 2.41539 0.775955
threshold=2.5000000000000004 3.5000000000000004 1.5000000000000002
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=-0.16945257668697797 0.004939067487977282 0.27932797037161539 -0.46019235964605071
leaf_weight=0.27863004803657565 1.8262071609497073 0.38918343186378468 0.1368994414806366
leaf_count=1 2 3 1
internal_value=0.00285639 0.0531417 -0.265239
internal_weight=2.63092 2.21539 0.415529
internal_count=7 5 2
is_linear=0
shrinkage=0.1


Tree=8
num_leaves=4
num_cat=0
split_feature=0 1 1
split_gain=3.84439 29.9094 2.15564
threshold=3.5000000000000004 1.5000000000000002 1.0000000180025095e-35
decision_type=2 2 2
left_child=-1 2 -2
right_child=1 -3 -4
leaf_value=-0.017142403085996665 1.6080112636308816 -0.24519561857775624 2.6778813470527543
leaf_weight=2.8998743593692784 0.048493862152099498 0.21759380400180817 0.030790321528911591
leaf_count=5 1 1 1
internal_value=0.0179456 0.360682 2.0235
internal_weight=3.19675 0.296878 0.0792842
internal_count=8 3 2
is_linear=0
shrinkage=0.1


Tree=9
num_leaves=4
num_cat=0
split_feature=0 0 0
split_gain=1.46831 0.45024 1.11052
threshold=2.5000000000000004 1.0000000180025095e-35 1.5000000000000002
decision_type=2 2 2
left_child=1 -1 -3
right_child=-2 2 -4
leaf_value=0.050382792796793599 0.10613338059795037 -0.27269137489728545 -0.0094770600629335774
leaf_weight=0.53417074680328391 2.0695226527750492 0.20192690193653107 0.77738285064697266
leaf_count=1 5 1 2
internal_value=0.0513891 -0.0234678 -0.06375
internal_weight=3.583 1.51348 0.97931
internal_count=9 4 3
is_linear=0
shrinkage=0.1


Tree=10
num_leaves=4
num_cat=0
split_feature=0 1 1
split_gain=1.90654 1.70212 0.444007
threshold=3.5000000000000004 1.5000000000000002 1.5000000000000002
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=-0.027525537306241906 0.51645050425590411 0.079792125551352067 0.080364202334846355
leaf_weight=3.4303867518901829 0.12513430416584004 0.31147613376379013 0.42916378378868092
leaf_count=5 1 2 1
internal_value=0.00687711 0.20494 -0.0155287
internal_weight=4.29616 0.43661 3.85955
internal_count=9 3 6
is_linear=0
shrinkage=0.1


Tree=11
num_leaves=4
num_cat=0
split_feature=0 1 1
split_gain=7.22771 3.08239 0.543776
threshold=4.5000000000000009 1.5000000000000002 1.5000000000000002
decision_type=2 2 2
left_child=2 -2 -1
right_child=1 -3 -4
leaf_value=0.0087172335203975267 0.33541467295054961 1.1415689441490249 -0.075757967876438542
leaf_weight=3.8463639169931412 0.17383426427841175 0.0652264803647995 0.95027139782905568
leaf_count=6 1 1 3
internal_value=0.0187275 0.55537 -0.00801832
internal_weight=5.0357 0.239061 4.79664
internal_count=11 2 9
is_linear=0
shrinkage=0.1


end of trees

feature_importances:
Column_0=23
Column_1=13

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: 0.7]
[pos_bagging_fraction: 1]
[neg_bagging_fraction: 1]
[bagging_freq: 1]
[bagging_seed: 3]
[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: 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
