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How We Built a Fake-Review Detector Using Wilson Confidence Intervals and Bayesian Inference

How We Built a Fake-Review Detector Using Wilson Confidence Intervals and Bayesian Inference

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3 min read
A Reader Was Right About My Permutation Test: Rerun With 400 Markets (Python)

A Reader Was Right About My Permutation Test: Rerun With 400 Markets (Python)

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4 min read
How Many Trades Does a Backtest Need? A Practical Guide

How Many Trades Does a Backtest Need? A Practical Guide

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6 min read
A Practical Statistics Cheat Sheet for A/B Tests (With Calculators)

A Practical Statistics Cheat Sheet for A/B Tests (With Calculators)

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1 min read
Eleven Number-One Records: Measuring a Model That Swept Math, Science, Law and Decisions

Eleven Number-One Records: Measuring a Model That Swept Math, Science, Law and Decisions

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2 min read
Why Running Three t-Tests Is a Bug (and How One-Way ANOVA Fixes It)

Why Running Three t-Tests Is a Bug (and How One-Way ANOVA Fixes It)

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16 min read
Finding Outliers with the IQR Method: Tukey Fences, Quartile Gotchas, and Code

Finding Outliers with the IQR Method: Tukey Fences, Quartile Gotchas, and Code

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9 min read
Cronbach’s Alpha Explained: Formula, Worked Example, and Python Code

Cronbach’s Alpha Explained: Formula, Worked Example, and Python Code

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7 min read
Six ways an auto clicker gives itself away, using nothing but timestamps

Six ways an auto clicker gives itself away, using nothing but timestamps

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4 min read
Fitting one score across 40 sparse benchmarks with item response theory

Fitting one score across 40 sparse benchmarks with item response theory

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10 min read
Rankings with receipts: what building a hackathon judging platform taught us

Rankings with receipts: what building a hackathon judging platform taught us

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13 min read
Reading a Reinforcement Learning Taxonomy Against My Own Tools

Reading a Reinforcement Learning Taxonomy Against My Own Tools

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8 min read
A Measured Headroom That Nothing Could Reach

A Measured Headroom That Nothing Could Reach

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8 min read
Stability Metrics: Min, Max, and Standard Deviation as First-Class Citizens

Stability Metrics: Min, Max, and Standard Deviation as First-Class Citizens

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3 min read
The median said every neon pays off. Splitting by price said the opposite.

The median said every neon pays off. Splitting by price said the opposite.

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4 min read
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