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Data Science

Data Science allows us to extract meaning from and interpret data.

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We ran an AI agent swarm on Claude Opus for $98. A single 2.5-cent call gave the same forecast

We ran an AI agent swarm on Claude Opus for $98. A single 2.5-cent call gave the same forecast

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4 min read
The backtest used a 0.06% fee. What was my account actually paying?

The backtest used a 0.06% fee. What was my account actually paying?

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4 min read
Benchmarking Dify RAG Pipelines: Token Consumption, Cache Hit Rates, and Retrieval Latency Under Load

Benchmarking Dify RAG Pipelines: Token Consumption, Cache Hit Rates, and Retrieval Latency Under Load

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4 min read
Is 'neutral is the hardest NLI label' true in every text domain? Splitting ANLI's verifier agreement by (genre, class)

Is 'neutral is the hardest NLI label' true in every text domain? Splitting ANLI's verifier agreement by (genre, class)

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4 min read
PyPI keyword strings: popular packages use commas and phrases more, yet the long tail is more parse-ambiguous (41% vs 38%)

PyPI keyword strings: popular packages use commas and phrases more, yet the long tail is more parse-ambiguous (41% vs 38%)

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4 min read
Reason Codes Before Accuracy: Building an Explainable Claims-Triage Scorer in Python

Reason Codes Before Accuracy: Building an Explainable Claims-Triage Scorer in Python

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5 min read
Dota 2 and League of Legends Arbitrage: Why Slower Games Give Longer Windows

Dota 2 and League of Legends Arbitrage: Why Slower Games Give Longer Windows

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8 min read
Who's hiring this week: one company posted the same AI job 245 times, and only 1 in 21 tech jobs is junior (Oct 19-25, 2026)

Who's hiring this week: one company posted the same AI job 245 times, and only 1 in 21 tech jobs is junior (Oct 19-25, 2026)

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3 min read
How to Pull SEC EDGAR Filings and XBRL Financial Data with an API

How to Pull SEC EDGAR Filings and XBRL Financial Data with an API

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5 min read
Score Matching: Why Learning the Gradient of a Log-Density Beats Learning the Density Itself

Score Matching: Why Learning the Gradient of a Log-Density Beats Learning the Density Itself

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8 min read
We tested 12 machine-learning models on the stock market. None of them worked, and we published everything.

We tested 12 machine-learning models on the stock market. None of them worked, and we published everything.

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3 min read
German tech companies hire mostly abroad, and none of their 279 German job ads I checked shows a salary

German tech companies hire mostly abroad, and none of their 279 German job ads I checked shows a salary

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4 min read
Popular PyPI packages declare keywords more often (49% vs 38%) but list fewer of them (median 4 vs 5)

Popular PyPI packages declare keywords more often (49% vs 38%) but list fewer of them (median 4 vs 5)

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4 min read
Only 1 of 28 decoded Duolingo Google headlines skips the English Test

Only 1 of 28 decoded Duolingo Google headlines skips the English Test

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4 min read
Text embeddings and cosine similarity

Text embeddings and cosine similarity

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4 min read
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