instacart-recommender

Predicting users reorders. Kaggle

Data can be found here.

LightGBM recommender

Credit: https://www.kaggle.com/paulantoine/light-gbm-benchmark-0-3692

• Local score: 0.310
• Public score: 0.37977
• Private score: 0.37967

Features

User features

• user_total_orders
• user_total_items
• total_distinct_items
• user_average_days_between_orders
• user_average_basket

Product features

• product_orders
• product_reorders
• product_reorder_rate

Order features

• aisle_id
• department_id
• order_hour_of_day
• days_since_prior_order
• days_since_ratio

User-product features

• UP_orders
• UP_orders_ratio
• UP_average_pos_in_cart
• UP_reorder_rate
• UP_orders_since_last
• UP_delta_hour_vs_last
• UP_total_buys_n5