tree
version=v3
num_class=1
num_tree_per_iteration=1
label_index=0
max_feature_idx=2
objective=regression
feature_names=a b c
feature_infos=[-3.5224224421603116:3.4708536544565711] [-3.2257668881212891:3.7003912460306565] [-3.1564058213814006:3.5013532021468237]
tree_sizes=819 814 819 818 818 824 817 836 825 822 828 830 819 840 825

Tree=0
num_leaves=8
num_cat=0
split_feature=0 0 1 0 0 1 1
split_gain=2553.08 1235.43 615.841 370.39 251.082 157.44 131.352
threshold=0.4100005001350287 -0.47649141489654107 2.5407570474576611 1.3514910379945768 -1.2686139193085773 2.3433010432141361 -2.4076788166730831
decision_type=6 4 4 6 6 4 6
left_child=1 4 -3 5 -1 -2 -6
right_child=3 2 -4 -5 6 -7 -8
leaf_value=-0.30407649229111489 0.25193583978042106 0.085013494548862312 -0.06456253505833362 0.39998221885963969 -0.22405841254835082 0.11128787297101816 -0.074258611926755841
leaf_weight=113 196 738 439 120 89 134 171
leaf_count=113 196 738 439 120 89 134 171
internal_value=0.0398434 -0.0210342 0.0292243 0.249533 -0.179625 0.194824 -0.125536
internal_weight=0 1550 1177 450 373 330 260
internal_count=2000 1550 1177 450 373 330 260
is_linear=0
shrinkage=1


Tree=1
num_leaves=8
num_cat=0
split_feature=0 0 1 0 0 1 1
split_gain=2071.57 1030.25 481.511 288.17 243.692 144.174 123.83
threshold=0.44659475697903001 -0.3148205365272258 2.5407570474576611 1.4883212162088961 -1.2686139193085773 1.7301699822859784 2.3433010432141361
decision_type=6 4 4 6 6 4 4
left_child=1 4 -3 5 -1 -2 -6
right_child=3 2 -4 -5 6 -7 -8
leaf_value=-0.30952790395348478 0.20650804009019713 0.047516350185478756 -0.088179243519812475 0.34701758710961594 -0.093376916215724151 0.074953405329740722 -0.22094891052536605
leaf_weight=113 194 707 415 95 211 146 119
leaf_count=113 194 707 415 95 211 146 119
internal_value=0 -0.0536565 -0.00267409 0.19304 -0.182781 0.150017 -0.13938
internal_weight=0 1565 1122 435 443 340 330
internal_count=2000 1565 1122 435 443 340 330
is_linear=0
shrinkage=0.1


Tree=2
num_leaves=8
num_cat=0
split_feature=0 0 1 0 1 2 0
split_gain=1688.46 881.699 458.903 206.457 131.948 117.74 78.8907
threshold=0.53187018165770039 -0.75641183679602764 -2.8029627802877433 1.1407733676361163 -2.0011059055561522 -2.4851196672816962 -1.8357553910148703
decision_type=6 4 6 6 6 6 6
left_child=1 4 -3 -2 -1 -4 -6
right_child=3 2 5 -5 6 -7 -8
leaf_value=-0.31824105927130075 0.12237040631141927 -0.087934865512822591 -0.018231056074748057 0.26838529881309059 -0.35810878527791878 0.060363493515676873 -0.14272252436681296
leaf_weight=82 225 506 294 170 19 542 162
leaf_count=82 225 506 294 170 19 542 162
internal_value=0 -0.0455818 -0.0127705 0.185212 -0.213007 0.0327238 -0.165332
internal_weight=0 1605 1342 395 263 836 181
internal_count=2000 1605 1342 395 263 836 181
is_linear=0
shrinkage=0.1


Tree=3
num_leaves=8
num_cat=0
split_feature=0 0 1 0 1 0 1
split_gain=1398.9 630.637 316.704 283.65 122.909 104.084 91.4036
threshold=0.21497725805547133 -0.87200280718482903 2.5407570474576611 1.1239913840035027 2.3433010432141361 -0.29318212449072667 -1.9254565542422069
decision_type=6 4 4 6 4 4 6
left_child=1 6 5 4 -2 -3 -1
right_child=3 2 -4 -5 -6 -7 -8
leaf_value=-0.29516603215535481 0.13176423112977728 -0.061056779512566411 -0.090443467703619718 0.23967352155276711 0.016173569425116417 0.03329046467879497 -0.16040241069653458
leaf_weight=75 233 144 446 175 152 622 153
leaf_count=75 233 144 446 175 152 622 153
internal_value=0 -0.0521544 -0.0234516 0.134111 0.0861284 0.0155542 -0.204733
internal_weight=0 1440 1212 560 385 766 228
internal_count=2000 1440 1212 560 385 766 228
is_linear=0
shrinkage=0.1


Tree=4
num_leaves=8
num_cat=0
split_feature=0 0 1 0 0 2 1
split_gain=1135.13 635.894 271.933 147.372 127.999 94.372 76.506
threshold=0.61368271437902322 -0.30502162540435707 -2.8029627802877433 -1.3767741943696481 1.4883212162088961 -2.4851196672816962 -2.8029627802877433
decision_type=6 4 6 6 6 6 6
left_child=1 3 -3 -1 -2 -4 -5
right_child=4 2 5 6 -6 -7 -8
leaf_value=-0.25263213210485203 0.12587599484715611 -0.058590250901969357 -0.0082104156471607646 -0.17071116408846509 0.26150995550971284 0.06608972827779111 -0.074235166865500898
leaf_weight=88 260 448 264 127 95 485 233
leaf_count=88 260 448 264 127 95 485 233
internal_value=0 -0.0349977 0.00303888 -0.136627 0.162172 0.0399012 -0.10827
internal_weight=0 1645 1197 448 355 749 360
internal_count=2000 1645 1197 448 355 749 360
is_linear=0
shrinkage=0.1


Tree=5
num_leaves=8
num_cat=0
split_feature=0 0 1 0 1 2 2
split_gain=946.459 424.016 210.669 185.833 89.6876 82.9477 93.3125
threshold=0.21497725805547133 -0.75641183679602764 2.5407570474576611 1.1239913840035027 2.3433010432141361 0.85679999385269212 -0.73501428616720177
decision_type=6 4 4 6 4 6 4
left_child=1 -1 5 4 -2 6 -3
right_child=3 2 -4 -5 -6 -7 -8
leaf_value=-0.15769343780917594 0.11045750679504207 0.086269174494840409 -0.072102330109753685 0.19575558430754714 0.011716695143197861 0.099575866522765399 -0.015357897771933826
leaf_weight=263 233 109 439 175 152 101 528
leaf_count=263 233 109 439 175 152 101 528
internal_value=0 -0.0428991 -0.0172484 0.110312 0.0714741 0.0153815 0.00203198
internal_weight=0 1440 1177 560 385 738 637
internal_count=2000 1440 1177 560 385 738 637
is_linear=0
shrinkage=0.1


Tree=6
num_leaves=8
num_cat=0
split_feature=0 0 0 1 0 1 1
split_gain=766.632 357.553 155.285 143.995 113.89 99.5944 68.2363
threshold=0.21497725805547133 -0.29318212449072667 1.4883212162088961 2.5407570474576611 -1.5581766894612075 2.3433010432141361 -2.8029627802877433
decision_type=6 4 6 4 6 4 6
left_child=1 4 5 -3 -1 -2 -6
right_child=2 3 -4 -5 6 -7 -8
leaf_value=-0.23691621723451783 0.11326652781931035 0.02440846291417317 0.21578340035520102 -0.054712413471058166 -0.14949743355313935 0.018798406092998928 -0.061574295414429082
leaf_weight=63 279 622 95 365 135 186 255
leaf_count=63 279 622 95 365 135 186 255
internal_value=0 -0.0386092 0.0992809 -0.00485103 -0.112162 0.0754793 -0.0920092
internal_weight=0 1440 560 987 453 465 390
internal_count=2000 1440 560 987 453 465 390
is_linear=0
shrinkage=0.1


Tree=7
num_leaves=8
num_cat=0
split_feature=0 0 1 0 1 2 0
split_gain=636.143 352.279 137.386 98.968 88.0298 64.8285 62.6798
threshold=0.61368271437902322 -0.23707743639227993 -2.8029627802877433 -1.2686139193085773 -2.5725317528070999 -0.93292620284309924 2.1762160124511243
decision_type=6 4 6 6 6 4 6
left_child=1 3 5 -1 -2 -3 -6
right_child=4 2 -4 -5 6 -7 -8
leaf_value=-0.17988699577023498 0.060055805251319365 0.06192250580492395 0.030331366308276458 -0.072961569465036083 0.14863329042892645 -0.055115596447006233 0.38386964201927187
leaf_weight=113 141 54 725 370 202 383 11.999999999999998
leaf_count=113 141 54 725 370 202 383 12
internal_value=0 -0.0261995 0.00363579 -0.0979772 0.121403 -0.0406532 0.161824
internal_weight=0 1645 1162 483 355 437 214
internal_count=2000 1645 1162 483 355 437 214
is_linear=0
shrinkage=0.1


Tree=8
num_leaves=8
num_cat=0
split_feature=0 0 0 2 2 1 1
split_gain=518.744 233.903 130.47 119.292 150.687 86.9219 61.8265
threshold=0.10032810916276853 -0.87200280718482903 0.87163647783998421 0.72300492431588392 -0.74818611527883094 2.5407570474576611 -2.5725317528070999
decision_type=6 4 6 6 4 4 6
left_child=1 -1 -2 4 -3 -6 -4
right_child=2 3 6 -5 5 -7 -8
leaf_value=-0.12651185194590017 0.037662731656035051 0.058720996208569937 0.07182196221994952 0.058144991659893376 -0.021737687377463441 -0.089253681060535467 0.1720183627889646
leaf_weight=228 360 161 104 184 506 306 151
leaf_count=228 360 161 104 184 506 306 151
internal_value=0 -0.0339371 0.0764274 -0.0156942 -0.0296576 -0.0471809 0.131154
internal_weight=0 1385 615 1157 973 812 255
internal_count=2000 1385 615 1157 973 812 255
is_linear=0
shrinkage=0.1


Tree=9
num_leaves=8
num_cat=0
split_feature=0 0 2 1 1 2 0
split_gain=433.505 249.056 114.162 83.8841 62.308 53.7625 51.6385
threshold=-0.14589234443305812 0.87163647783998421 -2.4851196672816962 2.3433010432141361 -2.8029627802877433 -2.4851196672816962 -1.8357553910148703
decision_type=4 6 6 4 6 6 6
left_child=3 2 -2 6 -4 -3 -1
right_child=1 5 4 -5 -6 -7 -8
leaf_value=-0.21316259867615173 -0.032219858233660248 0.058449289979119051 -0.0050642847052573435 -0.13129191856755801 0.053608161185841642 0.15341967557091266 -0.039296232860590988
leaf_weight=18 428 95 286 185 493 160 335
leaf_count=18 428 95 286 185 493 160 335
internal_value=0 0.0282422 0.0092712 -0.0767475 0.0320673 0.118039 -0.0481619
internal_weight=0 1462 1207 538 779 255 353
internal_count=2000 1462 1207 538 779 255 353
is_linear=0
shrinkage=0.1


Tree=10
num_leaves=8
num_cat=0
split_feature=0 0 0 2 2 1 1
split_gain=357.001 160.585 99.5611 91.4118 108.703 76.0892 64.5734
threshold=0.068123036519926017 -0.87200280718482903 1.6864362479789976 0.94840609886731075 -0.8355399405790217 2.3433010432141361 -2.8029627802877433
decision_type=6 4 6 6 4 4 6
left_child=1 -1 5 4 -3 -2 -6
right_child=2 3 -4 -5 6 -7 -8
leaf_value=-0.10541119416522092 0.077789988068102958 0.056962854491703054 0.18452308704455694 0.06444731126994567 -0.072618547643343953 0.0029437708447750829 -0.016019883313119512
leaf_weight=228 355 143 60 133 322 220 539
leaf_count=228 355 143 60 133 322 220 539
internal_value=0 -0.0288165 0.061944 -0.0134571 -0.0237771 0.0491532 -0.0371869
internal_weight=0 1365 635 1137 1004 575 861
internal_count=2000 1365 635 1137 1004 575 861
is_linear=0
shrinkage=0.1


Tree=11
num_leaves=8
num_cat=0
split_feature=0 0 2 2 2 2 1
split_gain=301.692 169.503 88.2438 91.8815 69.6507 67.3666 61.7254
threshold=-0.051204440639357578 0.75764668634840959 -1.0894810312366041 1.0002606291506451 -1.2697089252639822 0.80593644752025784 -2.8029627802877433
decision_type=4 6 4 6 4 6 6
left_child=4 2 -2 6 -1 -6 -4
right_child=1 -3 3 -5 5 -7 -8
leaf_value=0.058550316136744288 0.093283782302288815 0.091530695038537183 -0.046084560334709458 0.082808659006470609 -0.08594563266666011 0.013593041522690329 0.0077421640520589355
leaf_weight=45 107 300 345 113 453 80 557
leaf_count=45 107 300 345 113 453 80 557
internal_value=0 0.0247617 0.00690905 -0.00219646 -0.060919 -0.0710055 -0.0128457
internal_weight=0 1422 1122 1015 578 533 902
internal_count=2000 1422 1122 1015 578 533 902
is_linear=0
shrinkage=0.1


Tree=12
num_leaves=8
num_cat=0
split_feature=0 0 2 0 1 2 2
split_gain=246.364 143.462 76.4272 63.8736 54.7024 46.8801 53.3195
threshold=-0.16485017200237015 0.87163647783998421 -2.4851196672816962 -1.752389427488078 -2.8029627802877433 -1.3684300245507817 1.3657936397210049
decision_type=4 6 6 6 6 6 6
left_child=3 2 -2 -1 -5 -4 -7
right_child=1 -3 5 4 -6 6 -8
leaf_value=-0.19364496045040364 -0.026989893459570438 0.089110027221853239 0.10460376727449544 -0.096169024316172691 -0.025777809772357021 0.0095182594626232898 0.1079848702500264
leaf_weight=33 435 255 68 168 322 659 60
leaf_count=33 435 255 68 168 322 659 60
internal_value=0 0.020885 0.00664818 -0.0589811 -0.0499119 0.025241 0.0177352
internal_weight=0 1477 1222 523 490 787 719
internal_count=2000 1477 1222 523 490 787 719
is_linear=0
shrinkage=0.1


Tree=13
num_leaves=8
num_cat=0
split_feature=0 0 2 2 1 1 0
split_gain=208.1 113.287 74.6617 90.3394 62.5617 49.5851 45.8713
threshold=0.31222626771688095 -1.1551724939475181 -1.0145457448593511 0.68878896008531065 -1.7199723644733567 2.5407570474576611 2.1762160124511243
decision_type=6 4 4 6 6 4 6
left_child=1 -1 -3 5 -2 -4 -6
right_child=4 2 3 -5 6 -7 -8
leaf_value=-0.10317184625167426 0.014657963683013248 0.06011940226468352 -0.013054734427988586 0.040246338640582996 0.078254956618396668 -0.0590232238686954 0.27800533771514896
leaf_weight=143 209 138 627 222 274 375 11.999999999999998
leaf_count=143 209 138 627 222 274 375 12
internal_value=0 -0.0184993 -0.0096093 -0.0174709 0.0562453 -0.0302585 0.0866361
internal_weight=0 1505 1362 1224 495 1002 286
internal_count=2000 1505 1362 1224 495 1002 286
is_linear=0
shrinkage=0.1


Tree=14
num_leaves=8
num_cat=0
split_feature=0 0 2 2 2 2 1
split_gain=174.869 98.9317 72.0396 79.6576 49.5166 47.219 46.0426
threshold=-0.087260492705359363 1.314904971405582 -0.84657303234863368 0.56429984261744681 -1.2697089252639822 1.0613457822871555 2.5407570474576611
decision_type=4 6 4 6 4 6 4
left_child=4 2 -2 6 -1 -6 -4
right_child=1 -3 3 -5 5 -7 -8
leaf_value=0.053378414706223544 0.069943878142562296 0.10170489861988104 0.0053520704573364712 0.051874201790206444 -0.06628145438656341 0.032520888914802558 -0.041282732061899516
leaf_weight=45 175 130 543 242 464 54 347
leaf_count=45 175 130 543 242 464 54 347
internal_value=0 0.0185083 0.0102332 0.00100232 -0.0472406 -0.0559816 -0.0128303
internal_weight=0 1437 1307 1132 563 518 890
internal_count=2000 1437 1307 1132 563 518 890
is_linear=0
shrinkage=0.1


end of trees

feature_importances:
a=50
b=31
c=24

parameters:
[boosting: gbdt]
[objective: regression]
[metric: l2]
[tree_learner: serial]
[device_type: cpu]
[data: ]
[valid: ]
[num_iterations: 15]
[learning_rate: 0.1]
[num_leaves: 8]
[num_threads: 1]
[deterministic: 1]
[force_col_wise: 0]
[force_row_wise: 1]
[histogram_pool_size: -1]
[max_depth: -1]
[min_data_in_leaf: 10]
[min_sum_hessian_in_leaf: 0.001]
[bagging_fraction: 1]
[pos_bagging_fraction: 1]
[neg_bagging_fraction: 1]
[bagging_freq: 0]
[bagging_seed: 17422]
[feature_fraction: 1]
[feature_fraction_bynode: 1]
[feature_fraction_seed: 7040]
[extra_trees: 0]
[extra_seed: 6516]
[early_stopping_round: 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: 15215]
[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]
[linear_tree: 0]
[max_bin: 255]
[max_bin_by_feature: ]
[min_data_in_bin: 3]
[bin_construct_sample_cnt: 200000]
[data_random_seed: 61]
[is_enable_sparse: 1]
[enable_bundle: 1]
[use_missing: 1]
[zero_as_missing: 1]
[feature_pre_filter: 1]
[pre_partition: 0]
[two_round: 0]
[header: 0]
[label_column: ]
[weight_column: ]
[group_column: ]
[ignore_column: ]
[categorical_feature: ]
[forcedbins_filename: ]
[precise_float_parser: 0]
[objective_seed: 15521]
[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: ]
[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
