branch8 consulting work
TRANSCRIPT
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Sandra BlevinsInsight Data Science Fellowship
Week 4
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?eBay
Amazon
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GoalKeep sellers active and happy!
Build seller profiles, predict retention/churn
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Export MongoDB
Clean Python regex, NumPy,
pandas, JSON
Database schema Seller profilesPredictive modeling
Python scikit-learn
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Seller profiles
Active Churn ?
7 days
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Seller profiles
Active
7 days
Churn ?
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Seller profiles
Active
7 days
Churn ?
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Seller profiles
Active
7 days
Churn ?
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Seller profiles
Active
7 days
Churn ?
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Number of sellers
Active sellers in Shanghai, Hong Kong, and Singapore
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300+
Number of orders
Active sellers have more orders
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300+
Number of orders
Active sellers have more orders
Active!
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Active sellers
Inactive sellers
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Sellers of electronics with active Malaysian customer base
Deliverable: actionable insights on seller profiles
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algorithm: sklearn.ensemble.RandomForestClassifier
accuracy = 92%, AUC = 71%
n-orders is best predictor of activity
n orders n platforms mean price
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Organize database Codes and flowsheets
Customer profiles New feature recommendations for modeling
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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