tree
version=v4
num_class=1
num_tree_per_iteration=1
label_index=0
max_feature_idx=12
objective=lambdarank
feature_names=candidate_num_cited_by candidate_num_references survey_num_references co_citation_count bibliographic_coupling jaccard_refs adamic_adar n_surveys_citing n_total_citations cited_by_survey_refs candidate_cites_survey_refs shared_citers_with_survey hub_score
feature_infos=[1:2250] [0:325] [62:443] [0:122] [0:65] [0:0.90625] [0:36.103656768798828] [1:97] [1:2250] [0:12] [0:65] [0:122] [2.4423470497131348:6.0958247184753418]
tree_sizes=6861

Tree=0
num_leaves=63
num_cat=0
split_feature=7 7 12 7 2 6 7 3 12 12 12 2 12 12 2 2 6 5 1 12 12 12 2 5 2 2 12 2 2 6 2 2 12 2 2 2 12 12 12 12 12 12 12 2 12 5 12 12 2 2 2 2 2 2 12 12 12 2 1 2 2 12
split_gain=1354.11 239.087 12.2589 11.0999 3.87854 3.80013 2.96887 2.38367 2.3549 2.22661 1.88817 2.57937 1.85808 1.61647 1.46809 1.34042 1.1502 1.24196 2.82956 1.11151 1.12553 1.06857 0.999368 0.94799 0.943857 1.26664 0.986837 0.928136 0.892425 0.826779 0.802117 2.18335 0.730709 4.54068 1.77553 1.52925 1.38193 1.63657 1.3681 0.69976 0.69562 0.724518 1.05961 0.56589 0.548578 0.547179 0.533769 0.528255 0.52593 0.519592 0.478966 1.25492 2.32131 0.851023 0.835719 0.499782 1.63435 0.452167 0.448161 0.447459 0.457016 0.422455
threshold=1.5000000000000002 4.5000000000000009 5.2929458618164071 9.5000000000000018 86.500000000000014 0.28016087412834173 2.5000000000000004 1.0000000180025095e-35 5.0122992992401132 4.0721557140350351 3.3206046819686894 82.500000000000014 3.1934273242950444 3.2914549112319951 75.500000000000014 79.500000000000014 0.2342106029391289 0.01101936772465706 6.5000000000000009 4.0232768058776864 3.9322255849838261 4.2053141593933114 103.50000000000001 0.14488750696182254 151.00000000000003 148.50000000000003 4.234830617904664 148.50000000000003 72.500000000000014 0.23345113545656207 335.50000000000006 419.50000000000006 4.3703510761260995 78.500000000000014 78.500000000000014 71.500000000000014 4.2861120700836191 4.0347321033477792 4.2775335311889657 3.9183795452117924 4.9492030143737802 4.8454978466033944 4.868495225906373 84.500000000000014 3.7058805227279668 0.080375872552394881 4.1065216064453134 4.1425673961639413 84.500000000000014 146.50000000000003 103.50000000000001 114.50000000000001 113.50000000000001 106.50000000000001 4.5973899364471444 4.8212885856628427 4.8296453952789316 151.00000000000003 22.500000000000004 69.500000000000014 63.500000000000007 3.8290760517120366
decision_type=2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
left_child=5 2 4 61 10 8 -4 9 24 12 43 14 -6 -7 16 -16 17 18 21 20 44 28 29 30 25 32 -27 49 59 -9 -11 -32 34 -34 35 38 37 45 -1 58 41 -23 -43 -2 -15 -37 -36 -30 -13 -14 54 52 53 -52 -35 -53 -57 -10 -19 60 -12 -3
right_child=1 3 6 -5 7 13 -8 22 57 23 11 48 27 19 15 -17 -18 39 -20 -21 -22 40 -24 -25 -26 26 -28 -29 47 -31 31 -33 33 50 46 36 -38 -39 -40 -41 -42 42 -44 -45 -46 -47 -48 -49 -50 -51 51 55 -54 -55 -56 56 -58 -59 -60 -61 -62 -63
leaf_value=-0.072069839850997686 0.040574366880777292 0.073690344199684052 0.01545082705550422 0.098835983501733726 0.079345485676593025 0.057434099868939242 -0.084014772015979691 -0.038666536296627904 -0.099999999999999978 0.034027349981205733 0.020478052215067932 -0.039813585642085855 0.015130209178415073 -0.026984946694593621 0.034350932265482463 0.0074129153645116491 0.028718170719425663 0.034410101229704303 -0.063868525767467266 -0.083599656089907298 0.023577155237522601 -0.00017335712262670847 0.059723296626986326 0.09355148190167728 -0.08665248194619149 -0.085740979309831725 -0.0071934704492964928 -0.0076366944227561438 -0.0051543415271536773 0.036547286703391427 -0.078812732259308557 0.057607131993191257 -0.10000000000000001 -0.069730399279431698 -0.076900266000608855 -0.063344673124090478 -0.049495602751644593 -0.090030148222077486 -0.10000000000000001 0.054653444954605002 -0.038564072713176176 0.073805469837110699 -0.0049179117818102819 0.093318495799652401 -0.063910951937818192 -0.0041279515494861783 -0.086564852829701097 0.030992213133865978 -0.0082489090624040372 0.069225013550566775 -0.034196041905182557 -0.083009967114093183 0.032076696451105786 -0.080455005702384785 -0.092864200450015977 0.018648317548013993 -0.069967801296803009 -0.084284901583242061 -0.01566636615819347 0.023395889914692238 0.010119063409645647 0.080098385763629848
leaf_weight=128.25173071422614 3.353426901157945 45.741870166966692 0.94565626140683789 139.77262039855123 1.0554989732336277 0.42203599883941834 3.6299741877010092 0.43169783474877332 10.008981346152725 31.043377542577218 15.728323019342495 1.8195261750370253 20.457812856184326 2.3455786942067789 16.152492333436388 6.4667621687985948 10.104370247339828 1.0950439190492023 1.2854355091694731 1.3622958181367719 0.75574530090671022 17.510088258422918 7.8784263877896592 0.64848580816760559 15.103900249283468 0.58908847160637279 1.244918279815465 5.0202410748461253 8.2506569956894946 2.3780812288168818 0.56552685191854724 0.60929336934350431 18.053622207138687 18.169932158489249 49.188284585208748 25.375605050736343 14.201702507445587 6.7876668017706825 4.5396096413023761 2.4683244798798114 1.0698513048700977 0.84374511521309503 0.86632172670215368 0.59944236138835538 1.7608882554923182 0.39619476138614018 20.134521934320219 1.1518762013874937 4.8037138774525374 0.45375247998163004 1.9146798903821065 5.6845519445341761 0.86669564386829723 2.0681792077375576 4.972316621686331 0.56197019862884179 7.0178454987326404 8.4344309825100918 0.75473508518189181 14.790111028123645 32.958157327957451 58.759465300478041
leaf_count=8495 132 1538 94 2116 22 27 620 35 718 2202 739 131 1367 162 803 374 568 38 91 137 30 1032 641 5 2189 56 130 556 481 152 195 83 1217 1361 4016 1765 982 494 306 91 74 11 50 3 155 13 1837 43 337 24 137 584 66 210 413 74 693 1577 47 716 1758 1854
internal_value=-0.000576309 0.055684 0.0175161 0.08962 0.0192588 -0.0747087 -0.063458 0.0288426 -0.0754331 0.0249586 0.0145002 0.013525 0.0143161 -0.0372623 0.0150585 0.0266495 0.0126505 0.0110068 0.00980801 -0.0436829 -0.032499 0.0108245 0.0505928 0.0336973 -0.0744472 -0.0738525 -0.0324232 0.0116692 0.0136499 0.0249913 0.0324926 -0.00806172 -0.0740991 -0.0790864 -0.0729106 -0.0702864 -0.0625104 -0.0681872 -0.0730247 0.0372291 0.000676155 0.00286038 0.0339241 0.0485729 -0.0428191 -0.0624343 -0.0797073 -0.000726135 -0.0169203 0.016304 -0.0699346 -0.0638452 -0.04208 -0.0582169 -0.0747009 -0.0718027 -0.0633978 -0.0928133 0.0139782 0.0157793 0.0134656 0.0772935
internal_weight=811.677 461.464 217.19 244.274 212.615 350.213 4.57563 70.5422 343.566 59.854 142.072 138.12 26.9873 6.64654 131.496 22.6193 108.877 98.7727 94.4546 6.22451 4.86221 93.1691 10.6882 32.8667 325.123 310.019 1.83401 25.9318 72.8791 2.80978 32.2182 1.17482 308.185 59.3098 248.875 179.553 46.7612 32.5595 132.791 4.3181 20.29 19.2202 1.71007 3.95287 4.10647 25.7718 69.3228 9.40253 6.62324 20.9116 41.2562 18.1139 4.84955 3.98286 23.1422 13.2644 7.57982 18.4434 1.84978 63.4766 48.6865 104.501
internal_count=46867 19023 13515 5508 12801 27844 714 5282 27333 4454 7519 7384 1969 511 6916 1177 5739 5171 4995 484 347 4904 828 2485 25038 22849 186 1947 3737 187 2480 278 22663 4755 17908 12055 3254 2272 8801 176 1167 1093 61 135 317 1778 5853 524 468 1391 3538 1764 413 347 1774 1351 767 2295 85 3213 2497 3392
is_linear=0
shrinkage=0.05


end of trees

feature_importances:
hub_score=25
survey_num_references=24
n_surveys_citing=4
jaccard_refs=3
adamic_adar=3
candidate_num_references=2
co_citation_count=1

parameters:
[boosting: gbdt]
[objective: lambdarank]
[metric: ndcg]
[tree_learner: serial]
[device_type: cpu]
[data_sample_strategy: bagging]
[data: ]
[valid: ]
[num_iterations: 300]
[learning_rate: 0.05]
[num_leaves: 63]
[num_threads: 0]
[seed: 42]
[deterministic: 0]
[force_col_wise: 0]
[force_row_wise: 0]
[histogram_pool_size: -1]
[max_depth: -1]
[min_data_in_leaf: 20]
[min_sum_hessian_in_leaf: 0.001]
[bagging_fraction: 0.8]
[pos_bagging_fraction: 1]
[neg_bagging_fraction: 1]
[bagging_freq: 5]
[bagging_seed: 400]
[bagging_by_query: 0]
[feature_fraction: 0.8]
[feature_fraction_bynode: 1]
[feature_fraction_seed: 30056]
[extra_trees: 0]
[extra_seed: 12879]
[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: 17869]
[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: 3]
[bin_construct_sample_cnt: 200000]
[data_random_seed: 175]
[is_enable_sparse: 1]
[enable_bundle: 1]
[use_missing: 1]
[zero_as_missing: 0]
[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]
[parser_config_file: ]
[objective_seed: 16083]
[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: 20]
[lambdarank_norm: 1]
[label_gain: ]
[lambdarank_position_bias_regularization: 0]
[eval_at: 5,10,20]
[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