Alibaba Cloud Developer

Aug 23, 2020 · Artificial Intelligence

Unlocking Powerful Features: A Deep Dive into Tianchi’s Repeat Purchase Prediction

This tutorial walks through the complete feature‑engineering pipeline for the Alibaba Tianchi “Tmall User Repeat Purchase Prediction” competition, covering data acquisition, memory‑efficient preprocessing, multi‑entity feature construction, statistical aggregations, text vectorisation, embedding generation and stacking‑based model features, all illustrated with Python code and diagrams.