tree
version=v4
num_class=1
num_tree_per_iteration=1
label_index=0
max_feature_idx=2
objective=lambdarank
feature_names=Column_0 Column_1 Column_2
feature_infos=[0:7] [0:7] [0:7]
tree_sizes=861 859 855 854 861 870 871 861 871 874

Tree=0
num_leaves=7
num_cat=0
split_feature=2 0 0 1 0 0
split_gain=1.36386 0.730434 1.64345 1.01975 0.615263 0.516457
threshold=1.5000000000000002 4.5000000000000009 3.5000000000000004 1.5000000000000002 2.5000000000000004 1.0000000180025095e-35
decision_type=2 2 2 2 2 2
left_child=-1 2 3 -2 5 -5
right_child=1 -3 -4 4 -6 -7
leaf_value=0.16990371220518291 0.12910186072244476 -0.1062096282549051 0.19999999999999943 -0.18644835161464487 -0.19999999999999948 0.069974215056096592
leaf_weight=0.3979654069989923 0.23281311988830589 0.81413383036851872 0.34977928549051285 0.1182988490909338 0.37729213386774063 0.23373809456825256
leaf_count=3 5 10 3 3 3 3
internal_value=3.68984e-11 -0.0318034 0.0143706 -0.0531136 -0.11128 -0.0161943
internal_weight=2.52402 2.12606 1.31192 0.962142 0.729329 0.352037
internal_count=30 27 17 14 9 6
is_linear=0
shrinkage=0.1


Tree=1
num_leaves=7
num_cat=0
split_feature=2 2 0 0 2 1
split_gain=4.53987 5.48682 2.2529 4.46608 3.12908 1.28374
threshold=1.0000000180025095e-35 1.5000000000000002 4.5000000000000009 3.5000000000000004 3.5000000000000004 1.0000000180025095e-35
decision_type=2 2 2 2 2 2
left_child=-1 -2 3 4 -3 -6
right_child=1 2 -4 -5 5 -7
leaf_value=-0.20036444127362169 0.19092740098765934 0.15472665086683809 -0.095112573184568727 0.17823578868491327 0.17903561031823045 -0.12720578372501082
leaf_weight=1.0032203197479246 1.5983777642250059 0.59931927174329791 2.3100690022110939 1.3337884545326235 0.14752770960330996 1.8970837555825708
leaf_count=1 2 3 10 3 1 10
internal_value=1.67629e-09 0.0254889 -0.0165661 0.0290499 -0.0462102 -0.105109
internal_weight=8.88939 7.88617 6.28779 3.97772 2.64393 2.04461
internal_count=30 29 27 17 14 11
is_linear=0
shrinkage=0.1


Tree=2
num_leaves=7
num_cat=0
split_feature=1 2 0 0 0 0
split_gain=1.09132 1.30612 1.03477 2.07521 0.988995 0.750263
threshold=5.5000000000000009 1.5000000000000002 4.5000000000000009 3.5000000000000004 5.5000000000000009 1.0000000180025095e-35
decision_type=2 2 2 2 2 2
left_child=1 -1 3 -2 5 -3
right_child=2 4 -4 -5 -6 -7
leaf_value=0.15919011064451413 -0.17628382402382006 -0.10063388894144437 -0.15278241893482769 0.15942671699143801 -0.166525385249015 0.034220778418692505
leaf_weight=0.61906923353672016 0.32956058531999566 0.47081814706325564 0.792155921459198 0.41727191209793091 0.3161964863538741 3.3337846472859383
leaf_count=2 2 2 3 1 2 18
internal_value=-6.97136e-10 0.0237558 -0.0731646 0.0112851 0.00340946 0.0175326
internal_weight=6.27886 4.73987 1.53899 0.746832 4.1208 3.8046
internal_count=30 24 6 3 22 20
is_linear=0
shrinkage=0.1


Tree=3
num_leaves=7
num_cat=0
split_feature=2 1 0 0 1 2
split_gain=0.495032 1.16194 0.593418 1.81432 1.19701 0.445895
threshold=1.5000000000000002 6.5000000000000009 4.5000000000000009 3.5000000000000004 1.5000000000000002 6.5000000000000009
decision_type=2 2 2 2 2 2
left_child=1 -1 3 4 5 -2
right_child=2 -3 -4 -5 -6 -7
leaf_value=0.14691817346416053 0.12835478179663423 -0.16783943271196811 -0.062940273401425009 0.1505517074618056 -0.097691512640414632 -0.050443383692971445
leaf_weight=0.53859971463680256 0.44262919574976001 0.14992991089820862 1.5110450834035871 0.71984167397022236 1.164629593491554 0.20365165174007416
leaf_count=2 3 1 10 3 9 2
internal_value=1.33881e-09 0.0783785 -0.013352 0.0162559 -0.037127 0.0720131
internal_weight=4.73033 0.68853 4.0418 2.53075 1.81091 0.646281
internal_count=30 3 27 17 14 5
is_linear=0
shrinkage=0.1


Tree=4
num_leaves=7
num_cat=0
split_feature=2 2 1 0 2 1
split_gain=0.484841 0.793018 0.569721 0.40194 0.375549 0.23757
threshold=1.0000000180025095e-35 1.5000000000000002 5.5000000000000009 5.5000000000000009 3.5000000000000004 4.5000000000000009
decision_type=2 2 2 2 2 2
left_child=-1 -2 3 5 -4 -3
right_child=1 2 4 -5 -6 -7
leaf_value=-0.17400581061611098 0.13841055456723869 -0.0017545171409695485 -0.13666197260454807 -0.15099773576606354 0.096181849225391303 -0.076122307029190678
leaf_weight=0.15424785017967213 0.41035428643226612 2.1300369091331972 0.077594637870788463 0.24337255209684361 0.64556702226400375 0.53806889057159413
leaf_count=1 2 17 1 2 4 3
internal_value=0 0.00663537 -0.00824218 -0.0279737 0.0711979 -0.016752
internal_weight=4.19924 4.04499 3.63464 2.91148 0.723162 2.66811
internal_count=30 29 27 22 5 20
is_linear=0
shrinkage=0.1


Tree=5
num_leaves=7
num_cat=0
split_feature=2 2 0 1 2 0
split_gain=0.311285 0.547477 0.330668 0.287541 0.422676 0.42027
threshold=1.5000000000000002 1.0000000180025095e-35 1.0000000180025095e-35 6.5000000000000009 3.5000000000000004 4.5000000000000009
decision_type=2 2 2 2 2 2
left_child=1 -1 -2 4 5 -4
right_child=2 -3 3 -5 -6 -7
leaf_value=-0.14376140473234247 -0.11650036262945521 0.13271282438106138 0.14313529977425782 0.08850508329284934 -0.024489376939684251 -0.14524725774517583
leaf_weight=0.089222878217697033 0.26893157884478602 0.36311240494251251 0.2880209833383568 0.32253563776612271 2.650224082171917 0.061288032680749893
leaf_count=1 3 2 3 2 18 1
internal_value=-4.6067e-10 0.0781784 -0.00984764 -0.00121377 -0.0108611 0.0925371
internal_weight=4.04334 0.452335 3.591 3.32207 2.99953 0.349309
internal_count=30 3 27 24 22 4
is_linear=0
shrinkage=0.1


Tree=6
num_leaves=7
num_cat=0
split_feature=0 1 1 2 2 1
split_gain=0.868367 1.35764 0.569693 0.320246 0.425505 0.462564
threshold=3.5000000000000004 1.0000000180025095e-35 1.0000000180025095e-35 1.5000000000000002 2.5000000000000004 4.5000000000000009
decision_type=2 2 2 2 2 2
left_child=2 -2 -1 -4 -5 -6
right_child=1 -3 3 4 5 -7
leaf_value=0.14146514517950604 -0.18331334573981309 0.064167389650828896 0.048067797422046546 -0.1896526680529769 -0.023514024165491476 -0.1857268998945156
leaf_weight=0.13626915961503971 0.24707792699337039 2.1553698219358921 0.19536077231168736 0.32044288516044606 0.82675313204526879 0.22326615080237389
leaf_count=2 1 13 2 1 9 2
internal_value=2.26901e-10 0.0387154 -0.0546456 -0.0717125 -0.0887873 -0.0580054
internal_weight=4.10454 2.40245 1.70209 1.56582 1.37046 1.05002
internal_count=30 14 16 14 12 11
is_linear=0
shrinkage=0.1


Tree=7
num_leaves=7
num_cat=0
split_feature=2 0 2 1 0 1
split_gain=0.334243 1.22864 0.542836 0.555901 0.69496 0.494862
threshold=5.5000000000000009 4.5000000000000009 6.5000000000000009 4.5000000000000009 1.5000000000000002 6.5000000000000009
decision_type=2 2 2 2 2 2
left_child=5 2 -2 4 -4 -1
right_child=1 -3 3 -5 -6 -7
leaf_value=0.043900042993447595 0.11616865993708506 -0.13073095821948455 0.16389109143553585 -0.16685905991288463 -0.16135251265887018 -0.1384083162289805
leaf_weight=1.7626167945563795 0.48452231287956216 0.72595793008804321 0.19247160479426384 0.18999066576361656 0.099741324782371521 0.16262961924076069
leaf_count=15 3 5 2 2 1 2
internal_value=-7.20772e-10 -0.0324158 0.0414135 -0.0337011 0.0528754 0.0285001
internal_weight=3.61793 1.69268 0.966726 0.482204 0.292213 1.92525
internal_count=30 13 8 5 3 17
is_linear=0
shrinkage=0.1


Tree=8
num_leaves=7
num_cat=0
split_feature=2 1 0 0 1 1
split_gain=0.235736 0.344804 0.170832 0.654889 0.287913 0.211317
threshold=1.5000000000000002 6.5000000000000009 4.5000000000000009 3.5000000000000004 1.0000000180025095e-35 4.5000000000000009
decision_type=2 2 2 2 2 2
left_child=1 -1 3 4 -2 -6
right_child=2 -3 -4 -5 5 -7
leaf_value=0.12528929629149316 0.13276401469062013 -0.13307409324480712 -0.044431673300962468 0.12694157397704395 -0.024486108576754418 -0.15250930259978945
leaf_weight=0.27982272207737002 0.10220100358128581 0.063348881900310516 0.93680733814835537 0.36295838654041279 0.88307218626141526 0.15097375400364399
leaf_count=2 2 1 10 3 10 2
internal_value=1.34043e-10 0.0775959 -0.0109313 0.0100021 -0.0273526 -0.0431779
internal_weight=2.77918 0.343172 2.43601 1.49921 1.13625 1.03405
internal_count=30 3 27 17 14 12
is_linear=0
shrinkage=0.1


Tree=9
num_leaves=7
num_cat=0
split_feature=2 1 0 0 0 2
split_gain=0.183762 0.266563 0.145246 0.196169 0.390143 0.25832
threshold=1.5000000000000002 6.5000000000000009 1.0000000180025095e-35 4.5000000000000009 3.5000000000000004 3.5000000000000004
decision_type=2 2 2 2 2 2
left_child=1 -1 -2 4 5 -4
right_child=2 -3 3 -5 -6 -7
leaf_value=0.12158347043848075 -0.099430300874434052 -0.13019187868642434 0.12800244989974552 -0.039159158251635601 0.12269833212055165 -0.031547074640760918
leaf_weight=0.23138862848281894 0.16715295985341105 0.051389865577220917 0.11744420230388664 0.84218180924653996 0.29886537045240402 0.74639932066202164
leaf_count=2 3 1 2 10 3 9
internal_value=1.02434e-09 0.0758279 -0.00987203 -0.00240533 0.0242165 -0.00985545
internal_weight=2.45482 0.282778 2.17204 2.00489 1.16271 0.863844
internal_count=30 3 27 24 14 11
is_linear=0
shrinkage=0.1


end of trees

feature_importances:
Column_0=23
Column_2=20
Column_1=17

parameters:
[boosting: gbdt]
[objective: lambdarank]
[metric: ndcg,map]
[tree_learner: serial]
[device_type: cpu]
[data_sample_strategy: bagging]
[data: ]
[valid: ]
[num_iterations: 10]
[learning_rate: 0.1]
[num_leaves: 7]
[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: 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: 5]
[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: 5]
[lambdarank_norm: 1]
[label_gain: ]
[lambdarank_position_bias_regularization: 0]
[eval_at: 1,3,5]
[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
