| { |
| "features": [ |
| "hour_of_day", |
| "day_of_week", |
| "hour_sin", |
| "hour_cos", |
| "is_weekend", |
| "is_night", |
| "battery_level", |
| "is_charging", |
| "battery_change_rate", |
| "screen_on", |
| "screen_on_duration_30min", |
| "app_opens_last_hour", |
| "session_length_current", |
| "time_since_last_interaction", |
| "notif_shown_last_30min", |
| "notif_clicked_last_30min", |
| "notif_dismissed_last_30min", |
| "notif_ignored_last_30min", |
| "notif_shown_last_24h", |
| "notif_ctr_last_7d", |
| "recent_notification_density" |
| ], |
| "target": "bad_timing", |
| "best_params": { |
| "n_estimators": 500, |
| "learning_rate": 0.05, |
| "max_depth": 4, |
| "num_leaves": 63, |
| "min_child_samples": 50, |
| "subsample": 0.8, |
| "colsample_bytree": 0.8, |
| "reg_alpha": 0, |
| "reg_lambda": 1.0, |
| "scale_pos_weight": 0.9037776387717913, |
| "random_state": 42 |
| }, |
| "metrics": { |
| "roc_auc": 0.8337733629294475, |
| "pr_auc": 0.8524595995659757, |
| "brier_score": 0.16567988798337643, |
| "accuracy": 0.7582666666666666, |
| "f1": 0.7765865680837954, |
| "ensemble_roc_auc": 0.8343689574320163, |
| "ensemble_pr_auc": 0.8595451820556155 |
| }, |
| "n_ensemble_models": 5, |
| "sklearn_version": "1.8.0", |
| "lightgbm_version": "4.6.0" |
| } |
