A Machine Learning based 杜睿桓@京东
2020-03-01 263浏览
- 1.8 1 A Machine Learning-based Discount Marketing T D C C 0 2 杜睿桓 京东-广告数据部
- 2.The Problem We want to find the customers who • have some probability to buy a product, and 8 1 • will increase the probability to buy if they receive a coupon So we are going to 0 2 T D C C • predict the probability of purchase for a group of customers and products; and • evaluate for each customer the probability of purchase that he increases when he receives a coupon 1
- 3.The Problem Problem definition • Select a group of users and products; • for each pair of user andproduct:8 1 0 2 predict the probability that the user orders for the product C C in a future time window; and T D evaluate the difference of ordering probability of whether or not the user receives a coupon of the product 2
- 4.Outline 8 1 2. Algorithm Selection and Combination 0 2 3. Potential CustomersC Mining C T 4. Spark-based Algorithm Platform Tuning D 1. Feature Engineering 3
- 5.Outline 8 1 2. Algorithm Selection and Combination 0 2 3. Potential CustomersC Mining C T 4. Spark-based Algorithm Platform Tuning D 1. Feature Engineering 4
- 6.1. Feature Engineering Try to make it independent with the model and convenient for the model. C C 0 2 1.1 Feature Selection for Big Data T D 1.2 Feature Preprocessing 8 1 1.3 Decreasing the Data Size 5
- 7.1.1 Feature Selection for Big Data (user, product) All user data is anonymized and encrypted 8 1 Static features •User:'>User:
