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Peeking at your A/B test turns 5% false positives into 25%, and what mSPRT costs you
Tan Tran
Tan Tran
Tan Tran
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Nov 1
Peeking at your A/B test turns 5% false positives into 25%, and what mSPRT costs you
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datascience
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statistics
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abtesting
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python
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8 min read
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Thompson sampling for A/B tests in 40 lines of JavaScript (and the trap nobody mentions)
Baneet Singh
Baneet Singh
Baneet Singh
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Oct 31
Thompson sampling for A/B tests in 40 lines of JavaScript (and the trap nobody mentions)
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javascript
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statistics
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abtesting
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algorithms
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3 min read
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How many visitors does an A/B test actually need? (table + free calculator)
Baneet Singh
Baneet Singh
Baneet Singh
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Oct 31
How many visitors does an A/B test actually need? (table + free calculator)
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abtesting
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statistics
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javascript
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webdev
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3 min read
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8. Synthetic customers, part 1: can a fake shopper judge your recommender?
4thwithme
4thwithme
4thwithme
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Oct 5
8. Synthetic customers, part 1: can a fake shopper judge your recommender?
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ai
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machinelearning
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datascience
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abtesting
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8 min read
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Matched‑Pair A/B Testing for LLM Prompts & Metrics
Nainik Mehta
Nainik Mehta
Nainik Mehta
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Sep 29
Matched‑Pair A/B Testing for LLM Prompts & Metrics
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abtesting
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mlops
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llm
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analytics
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5 min read
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9. Synthetic customers, part 2: a field guide to fake shoppers you can trust
4thwithme
4thwithme
4thwithme
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Oct 12
9. Synthetic customers, part 2: a field guide to fake shoppers you can trust
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ai
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machinelearning
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datascience
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abtesting
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7 min read
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A/B testing: when the standard test is the wrong tool
4thwithme
4thwithme
4thwithme
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Sep 7
A/B testing: when the standard test is the wrong tool
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abtesting
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statistics
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experimentation
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7 min read
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Checking your A/B test every morning makes it lie to you
MSakai
MSakai
MSakai
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Aug 19
Checking your A/B test every morning makes it lie to you
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statistics
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datascience
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python
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abtesting
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3 min read
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A/B testing: how to test your test
4thwithme
4thwithme
4thwithme
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Sep 14
A/B testing: how to test your test
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abtesting
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statistics
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datascience
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management
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6 min read
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Running Multiple A/B Tests at Once: When Overlap Is Safe
David Sert
David Sert
David Sert
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Aug 20
Running Multiple A/B Tests at Once: When Overlap Is Safe
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abtesting
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statistics
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experimentation
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analytics
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7 min read
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How to Choose a Minimum Detectable Effect (MDE)
David Sert
David Sert
David Sert
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Aug 18
How to Choose a Minimum Detectable Effect (MDE)
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abtesting
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statistics
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analytics
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datascience
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9 min read
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Multi-Armed Bandit Testing: How It Works and When to Use
David Sert
David Sert
David Sert
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Aug 18
Multi-Armed Bandit Testing: How It Works and When to Use
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abtesting
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machinelearning
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statistics
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datascience
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11 min read
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