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TB_rank_ndcg trained

TB_rank_ndcg_1783344946000 · TB · rank:ndcg

0.8958
NDCG@1
0.8958
Top-1 hit
1.2678
Race NLL
160
Races
1669
Rows
64
Features

Feature importance (gain)

Mean split gain per feature from the persisted booster (top 15). ELO-family features are expected to dominate the greyhound ranker.

Feature columns

apprentice_claim_kg barrier_bias_win_rate barrier_num barrier_tightness best_time_track_distance_pit career_start_count career_win_rate_pit career_wins dam_progeny_count dam_progeny_win_rate days_since_last_start days_since_last_win days_since_prev distance_change_m elo_percentile_in_field elo_vs_field_avg field_diff_barrier_bias_win_rate field_diff_barrier_tightness field_diff_best_time_track_distance_pit field_diff_career_win_rate_pit field_diff_handicap_rating field_diff_jockey_win_rate field_diff_parent_avg_win_rate field_diff_place_inv_mean_365d field_diff_tb_elo_rating field_diff_weight_carried field_rank_best_time_track_distance_pit field_rank_handicap_rating field_ratio_barrier_bias_win_rate field_ratio_barrier_tightness field_ratio_best_time_track_distance_pit field_ratio_career_win_rate_pit field_ratio_handicap_rating field_ratio_jockey_win_rate field_ratio_parent_avg_win_rate field_ratio_place_inv_mean_365d field_ratio_tb_elo_rating field_ratio_weight_carried field_size going_win_rate handicap_rating handicap_rating_best handicap_rating_last jockey_top3_rate jockey_win_rate parent_avg_win_rate place_inv_mean_365d place_log_mean_365d rating_progression_last sire_progeny_count sire_progeny_win_rate tb_elo_rating top3_rate_365d top3_rate_90d track_circumference_m track_handedness_enc track_straight_m track_surface_enc track_width_m weight_carried weight_carried_last weight_delta win_rate_365d win_rate_90d

Hyperparameters

colsample_bytree
0.7
eta
0.05
gamma
0.0
lambdarank_num_pair_per_sample
8
lambdarank_pair_method
"topk"
max_depth
6
min_child_weight
1
ndcg_exp_gain
false
num_boost_rounds
200
objective
"rank_ndcg"
reg_alpha
1.0
reg_lambda
5.0
seed
42
subsample
0.8
tree_method
"hist"

Predictions (0 runners across 0 prediction runs)

No predictions produced by this model yet.
0 rows
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