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All Things Product Data Science

Banani Mohapatra, Bhavnish Walia

All Things Product Data Science is your go-to newsletter for practical insights, experimentation techniques, and real-world lessons from 100+ experiments—covering everything from A/B testing to causal inference.

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues7SubscribersRead bananimohapatra.substack.com

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Latest Issues

Recent posts by this newsletter. Browse the email archive.

Beyond A/B Testing: Part 3a - From Static Splits to Adaptive Learning with Multi-Armed Bandits

Welcome back to our series on pushing past the limitations of traditional A/B testing.

3 months ago
3
0

From Idea to Impact: Using Data Science to Prioritize Product Investments

One of the core responsibilities of a Product Data Scientist is to partner with Product Managers (PMs) to estimate the potential impact of upcoming initiatives. This work becomes especially critical during planning cycles, when PMs propose ...

4 months ago
8
0

Comprehensive End-to-End A/B Test Case Study for Content Optimization

A/B testing is a powerful methodology widely used by companies to make data-driven decisions and achieve impactful results. E-commerce businesses, in particular, rely extensively on a test-and-learn culture to optimize user experiences and ...

5 months ago
11
1

Authors

The writers behind this newsletter.

  • Banani Mohapatra

    Data science leader at Walmart with 12+ years in e-commerce, payments, and real estate. 100+ experiments run across growth, funnels, and pricing.

  • Bhavnish Walia

    With 12+ years of experience in finance and e-commerce, I lead AI Risk Management at Amazon, where I build LLM frameworks for Anti-Money Laundering to enable safe.

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