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paid-media-playbook
paid-media-playbook PublicPaid-media measurement playbook: geo lift, MTA, incrementality, MMM, web attribution. Synthetic data, reproducible.
Python
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product-analytics-deepdive
product-analytics-deepdive PublicEnd-to-end product analytics case studies: funnel analysis, cohort retention, engagement segmentation, north-star metric framework. SQL-first (DuckDB + Spark SQL), with a practitioner decision lens.
Python
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causal-inference-playbook
causal-inference-playbook PublicHands-on case studies in experimentation and causal inference: CUPED, synthetic control, diff-in-diff, propensity score matching, sequential testing — code + memos.
Python
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experiment-toolkit
experiment-toolkit PublicSmall, well-tested Python package for online controlled experiments: sample size, CUPED, mSPRT sequential tests, delta-method ratio metrics.
Python
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analytics-sandbox
analytics-sandbox PublicProduction-grade SQL interview problems with solutions and commentary across Postgres, Spark SQL, BigQuery, and Snowflake dialects.
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