branch8 consulting work

Sandra BlevinsInsight Data Science Fellowship

Week 4

?eBay

Amazon

GoalKeep sellers active and happy!

Build seller profiles, predict retention/churn

Export MongoDB

Clean Python regex, NumPy,

pandas, JSON

Database schema Seller profilesPredictive modeling

Python scikit-learn

Seller profiles

Active Churn ?

7 days

Seller profiles

Active

7 days

Churn ?

Seller profiles

Active

7 days

Churn ?

Seller profiles

Active

7 days

Churn ?

Seller profiles

Active

7 days

Churn ?

Number of sellers

Active sellers in Shanghai, Hong Kong, and Singapore

300+

Number of orders

Active sellers have more orders

300+

Number of orders

Active sellers have more orders

Active!

Active sellers

Inactive sellers

Sellers of electronics with active Malaysian customer base

Deliverable: actionable insights on seller profiles

algorithm: sklearn.ensemble.RandomForestClassifier

accuracy = 92%, AUC = 71%

n-orders is best predictor of activity

n orders n platforms mean price

Organize database Codes and flowsheets

Customer profiles New feature recommendations for modeling

Sandra BlevinsEducation: Physics Ph.D. 2015, The Catholic University of America,

Washington, DC

Dissertation: The Distribution of Volatiles in Protoplanetary Disks

Love: travel, nature, art, yoga