Notes&Ideas

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Two-Sided Marketplace Analytics in Practice: Balancing Driver Supply and Rider Experience

From marketplace liquidity to a dual-sided metrics framework and dynamic pricing, a practical guide to balancing drivers and riders instead of optimizing either side alone.

• Marketplace Analytics
• Two-Sided Market
• Ride-Hailing
• Supply & Demand

Funnel Analysis in Practice: Breaking Down Conversions with HelloFresh

A subscription journey case study for defining funnels, measuring drop-off, finding bottlenecks, and testing improvements.

• Product Analytics
• Funnel Analysis
• HelloFresh
• Growth

Customer Segmentation in Practice: Building Precision User Strategies with Grab

A practical path from business goals and RFM signals to K-Means segments and actionable growth strategies.

• Customer Segmentation
• K-Means
• RFM
• Python

A Practical Guide to RAG: Principles, Best Practices, and Pitfalls

The core decisions behind reliable RAG systems, from chunking and retrieval to vector indexing, evaluation, and failure modes.

• LLM
• RAG
• Vector DB

Reliable Data Pipelines in Python: Architecture and Checklist

A practical checklist for turning ETL scripts into maintainable data products with validation, monitoring, testing, and deployment.

• Python
• ETL
• Data Engineering