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

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Getting Started with Excel for Data Analytics: From Basics to Data Cleaning

Getting Started with Excel for Data Analytics: From Basics to Data Cleaning

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6 min read
Using Scikit-Learn Pipelines: A Cleaner Way to Build Machine Learning Models

Using Scikit-Learn Pipelines: A Cleaner Way to Build Machine Learning Models

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7 min read
Zero-Boilerplate ML Data Validation That Actually Feels Good to Use

Zero-Boilerplate ML Data Validation That Actually Feels Good to Use

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1 min read
I built a zero-boilerplate alternative to Great Expectations for ML data validation

I built a zero-boilerplate alternative to Great Expectations for ML data validation

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1 min read
The Best Anomaly Detector I Know Optimizes Nothing

The Best Anomaly Detector I Know Optimizes Nothing

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7 min read
MCP server uptime isn't a spectrum: 78% never miss a day, 5.5% never answer

MCP server uptime isn't a spectrum: 78% never miss a day, 5.5% never answer

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6 min read
Major Update: I just supercharged my Interactive Graph Theory Learning Platform! (3D Graphs, Real-World Maps, Python Sandbox & 30+ Algorithms)

Major Update: I just supercharged my Interactive Graph Theory Learning Platform! (3D Graphs, Real-World Maps, Python Sandbox & 30+ Algorithms)

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3 min read
Your eval's confidence interval assumes independent examples. Yours are clustered.

Your eval's confidence interval assumes independent examples. Yours are clustered.

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4 min read
Part 4 - STATISTICS

Part 4 - STATISTICS

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5 min read
AI Evals at a Glance: Heatmaps for Stakeholders

AI Evals at a Glance: Heatmaps for Stakeholders

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4 min read
Are 0DTE Straddles Overpriced? I Replayed 193 SPY Sessions to Find Out

Are 0DTE Straddles Overpriced? I Replayed 193 SPY Sessions to Find Out

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5 min read
Does open interest pin the index or widen its range? A decomposition over 1,084 SPX sessions

Does open interest pin the index or widen its range? A decomposition over 1,084 SPX sessions

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2 min read
How accurate is the SPX "expected move"? A calibration over 1,088 sessions and 82,000 readings

How accurate is the SPX "expected move"? A calibration over 1,088 sessions and 82,000 readings

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2 min read
Is intraday momentum still alive? We measured it on 1,085 SPX sessions of the 0DTE era

Is intraday momentum still alive? We measured it on 1,085 SPX sessions of the 0DTE era

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2 min read
The 95th percentile is a Gaussian constant, and it moves the wrong way

The 95th percentile is a Gaussian constant, and it moves the wrong way

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8 min read
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