~/talk

Forecasting E‑Commerce Sales with Gradient Boosting

TalkinRussianat HighLoad++ Moscow 2018 · 2018-11-08..11-09· [machine-learning, data-engineering]
links:none on file
slides:none on file

An automatic warehouse restocking system at OZON.ru is driven by a gradient boosting ML model for sales forecasting. The talk covers problem setup and loss-function choice, and describes feature engineering (about 180 features) including how features were created and selected to capture complex seasonality, competitor entry, sudden viral spikes and drops.

AI-written summary · about

  1. 0:00Introduction
  2. 2:52Why forecast sales
  3. 6:04Choosing metrics and goals
  4. 7:50Simple models and first results
  5. 9:34Feature engineering and domain knowledge
  6. 15:51Training data challenges
  7. 19:03Model training and early improvements
  8. 21:51Hyperparameter tuning issues
  9. 24:38Model tuning and regularization
  10. 26:28Results and model evaluation
  11. 27:56Forecast integration
  12. 31:51Automated purchasing and pipeline
  13. 34:00Model monitoring and maintenance
  14. 37:31Factor analysis
  15. 40:18Model development plans
  16. 43:27New product forecasting
  17. 51:17Business impact and ROI
  18. 53:43Overfitting and future tasks
  19. 54:03Q&A
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