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0.5903
NDCG@1
0.5903
Top-1 hit
1.7372
Race NLL
160
Races
1669
Rows
36
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_num
best_time_track_distance_pit
career_start_count
career_win_rate_pit
career_wins
days_since_last_start
days_since_last_win
days_since_prev
distance_change_m
field_diff_best_time_track_distance_pit
field_diff_career_win_rate_pit
field_diff_handicap_rating
field_diff_place_inv_mean_365d
field_diff_weight_carried
field_rank_best_time_track_distance_pit
field_rank_handicap_rating
field_ratio_best_time_track_distance_pit
field_ratio_career_win_rate_pit
field_ratio_handicap_rating
field_ratio_place_inv_mean_365d
field_ratio_weight_carried
field_size
handicap_rating
handicap_rating_best
handicap_rating_last
place_inv_mean_365d
place_log_mean_365d
rating_progression_last
top3_rate_365d
top3_rate_90d
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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