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Data Science

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

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How to Scrape YouTube Shorts Data (Exact View, Like & Comment Counts)

How to Scrape YouTube Shorts Data (Exact View, Like & Comment Counts)

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5 min read
How I Mapped Brain Cell Changes in Alzheimer's Disease Using Single-Cell RNA Sequencing

How I Mapped Brain Cell Changes in Alzheimer's Disease Using Single-Cell RNA Sequencing

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3 min read
Survivorship Bias vs Lookahead Bias: The Two Silent Backtest Killers

Survivorship Bias vs Lookahead Bias: The Two Silent Backtest Killers

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5 min read
Point-in-Time Fundamentals Data: What It Is, Why It Matters, and How to Choose

Point-in-Time Fundamentals Data: What It Is, Why It Matters, and How to Choose

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6 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
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
Sleep-stage detection is mostly inference. Be honest about it.

Sleep-stage detection is mostly inference. Be honest about it.

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2 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
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 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
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
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