| { |
| "stage": "Stage 01 — Supervised Classification — Linear/Probabilistic", |
| "task": "Booking cancellation risk", |
| "target": "target_cancelled", |
| "synthetic_training_data": true, |
| "production_warning": "The artifacts are technically deployable, but predictive quality is not production-validated until retrained and evaluated on real HRP history.", |
| "feature_columns": [ |
| "city_id", |
| "property_type", |
| "star_rating", |
| "hotel_avg_rating_prior", |
| "hotel_reviews_count_prior", |
| "hotel_amenity_count", |
| "bed_type", |
| "bed_count", |
| "room_size_sqm", |
| "view_type", |
| "smoking_allowed", |
| "breakfast_included", |
| "base_price_per_night", |
| "effective_price_per_night", |
| "price_to_base_ratio", |
| "max_occupancy", |
| "total_quantity", |
| "available_quantity_at_booking", |
| "availability_ratio_at_booking", |
| "minimum_stay_nights", |
| "stop_sell", |
| "is_refundable", |
| "guests_count", |
| "rooms_count", |
| "number_of_nights", |
| "total_price", |
| "days_until_checkin", |
| "checkin_month", |
| "checkin_dayofweek", |
| "checkin_weekend", |
| "customer_prior_bookings", |
| "customer_prior_cancellations", |
| "customer_prior_cancel_rate", |
| "customer_prior_completed", |
| "customer_prior_no_show", |
| "customer_avg_prior_spend", |
| "customer_favorites_count", |
| "customer_has_favorited_hotel", |
| "customer_account_age_days", |
| "customer_last_login_recency_days", |
| "email_verified", |
| "phone_verified" |
| ], |
| "categorical_columns": [ |
| "city_id", |
| "property_type", |
| "bed_type", |
| "view_type", |
| "checkin_month", |
| "checkin_dayofweek" |
| ], |
| "numeric_columns": [ |
| "star_rating", |
| "hotel_avg_rating_prior", |
| "hotel_reviews_count_prior", |
| "hotel_amenity_count", |
| "bed_count", |
| "room_size_sqm", |
| "smoking_allowed", |
| "breakfast_included", |
| "base_price_per_night", |
| "effective_price_per_night", |
| "price_to_base_ratio", |
| "max_occupancy", |
| "total_quantity", |
| "available_quantity_at_booking", |
| "availability_ratio_at_booking", |
| "minimum_stay_nights", |
| "stop_sell", |
| "is_refundable", |
| "guests_count", |
| "rooms_count", |
| "number_of_nights", |
| "total_price", |
| "days_until_checkin", |
| "checkin_weekend", |
| "customer_prior_bookings", |
| "customer_prior_cancellations", |
| "customer_prior_cancel_rate", |
| "customer_prior_completed", |
| "customer_prior_no_show", |
| "customer_avg_prior_spend", |
| "customer_favorites_count", |
| "customer_has_favorited_hotel", |
| "customer_account_age_days", |
| "customer_last_login_recency_days", |
| "email_verified", |
| "phone_verified" |
| ], |
| "non_feature_columns": [ |
| "booking_id", |
| "created_at", |
| "check_in_date", |
| "check_out_date", |
| "user_id", |
| "hotel_id", |
| "room_type_id", |
| "target_cancelled" |
| ], |
| "leakage_columns_never_use": [ |
| "status", |
| "confirmed_at", |
| "rejected_at", |
| "cancelled_at", |
| "completed_at", |
| "hotel_response_note", |
| "booking_status_history.to_status after created_at" |
| ], |
| "best_classifier": "logistic_regression", |
| "risk_probability_model": "lda", |
| "risk_threshold": 0.265, |
| "risk_levels": { |
| "low": [ |
| 0.0, |
| 0.35 |
| ], |
| "medium": [ |
| 0.35, |
| 0.65 |
| ], |
| "high": [ |
| 0.65, |
| 1.0 |
| ] |
| } |
| } |
