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

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How to Build a Point-in-Time Fundamentals Database from SEC EDGAR (and When Not To)

How to Build a Point-in-Time Fundamentals Database from SEC EDGAR (and When Not To)

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5 min read
Your Backtest Saw the Future: Lookahead Bias in Fundamental Data, Measured on the 2026-07-23 Snapshot

Your Backtest Saw the Future: Lookahead Bias in Fundamental Data, Measured on the 2026-07-23 Snapshot

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10 min read
Thali Edition, Part 3: The Secret Settings of the Kitchen ✅🍱

Thali Edition, Part 3: The Secret Settings of the Kitchen ✅🍱

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2 min read
Data Product Manager Org Structure: Reporting Lines That Matter

Data Product Manager Org Structure: Reporting Lines That Matter

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17 min read
Parametric vs Non-Parametric Statistical Tests

Parametric vs Non-Parametric Statistical Tests

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2 min read
Lemmy Scraper: export posts and comments from any Fediverse community

Lemmy Scraper: export posts and comments from any Fediverse community

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9 min read
The Hacker News Search API: Free, No-Key, and Surprisingly Powerful

The Hacker News Search API: Free, No-Key, and Surprisingly Powerful

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5 min read
I ran 20,000 Monte Carlo simulations to find the best position size. The 'average' result is a trap.

I ran 20,000 Monte Carlo simulations to find the best position size. The 'average' result is a trap.

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4 min read
The Do-Over Game: Nash Equilibrium at the Golden Ratio

The Do-Over Game: Nash Equilibrium at the Golden Ratio

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16 min read
The Monty Hall Problem: Why Switching Wins 2/3 of the Time

The Monty Hall Problem: Why Switching Wins 2/3 of the Time

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14 min read
The Taxi Cab Problem: Why 80% Reliable Witnesses Are Usually Wrong

The Taxi Cab Problem: Why 80% Reliable Witnesses Are Usually Wrong

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10 min read
Stochastic vs. Deterministic Models

Stochastic vs. Deterministic Models

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5 min read
Variance Testing in Forecasting

Variance Testing in Forecasting

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5 min read
Algorithmic Trading Pipelines

Algorithmic Trading Pipelines

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5 min read
How to monitor a brand across 5 Chinese social platforms with Python in 2026 — the cross-platform dedup problem and how to handle it

How to monitor a brand across 5 Chinese social platforms with Python in 2026 — the cross-platform dedup problem and how to handle it

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4 min read
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