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5 rules we used to turn 164,963 daily follower readings into one honest growth number

5 rules we used to turn 164,963 daily follower readings into one honest growth number

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3 min read
Instagram follower counts across 1,064,485 accounts: median 214, 78.9% under 1,000

Instagram follower counts across 1,064,485 accounts: median 214, 78.9% under 1,000

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3 min read
Peeking at your A/B test turns 5% false positives into 25%, and what mSPRT costs you

Peeking at your A/B test turns 5% false positives into 25%, and what mSPRT costs you

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8 min read
Amortised Inference: Why Training a Network to Infer Beats Running Optimisation Every Time

Amortised Inference: Why Training a Network to Infer Beats Running Optimisation Every Time

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7 min read
Out of how many? Multiple testing and the deflated Sharpe ratio

Out of how many? Multiple testing and the deflated Sharpe ratio

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2 min read
The Alert Was Ninety Five Percent Accurate and Almost Always Wrong

The Alert Was Ninety Five Percent Accurate and Almost Always Wrong

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2 min read
Understanding Coefficient of Variation

Understanding Coefficient of Variation

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3 min read
Causal Representation Learning: Why Observational Data Alone Cannot Identify Latent Causes

Causal Representation Learning: Why Observational Data Alone Cannot Identify Latent Causes

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8 min read
Is your new search actually better? Label gaps, LLM judge panels, and paired statistics for offline search evaluation

Is your new search actually better? Label gaps, LLM judge panels, and paired statistics for offline search evaluation

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11 min read
Thompson sampling for A/B tests in 40 lines of JavaScript (and the trap nobody mentions)

Thompson sampling for A/B tests in 40 lines of JavaScript (and the trap nobody mentions)

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3 min read
Kernel Mean Embeddings: Turning Distributions into Points You Can Compute With

Kernel Mean Embeddings: Turning Distributions into Points You Can Compute With

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7 min read
How many visitors does an A/B test actually need? (table + free calculator)

How many visitors does an A/B test actually need? (table + free calculator)

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3 min read
Half of a hurricane season's energy sits in 14% of its storms, and it holds in every decade

Half of a hurricane season's energy sits in 14% of its storms, and it holds in every decade

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3 min read
Thompson Sampling: Why Randomised Exploration Beats Greedy Optimisation

Thompson Sampling: Why Randomised Exploration Beats Greedy Optimisation

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7 min read
Random referees: two controls every ranking model should beat

Random referees: two controls every ranking model should beat

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2 min read
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