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Data Science

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

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DAY 01 OF MACHINE LEARNING JOURNEY

DAY 01 OF MACHINE LEARNING JOURNEY

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1 min read
How much of the SPX options book is new each day? Open-interest change across 1,081 sessions

How much of the SPX options book is new each day? Open-interest change across 1,081 sessions

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4 min read
How much of the SPX options tape is dealer-to-dealer? A free daily floor from OCC data

How much of the SPX options tape is dealer-to-dealer? A free daily floor from OCC data

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3 min read
How far does SPX travel before the close? An empirical touch-probability surface from 1,082 sessions

How far does SPX travel before the close? An empirical touch-probability surface from 1,082 sessions

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4 min read
Humidity charts hide missing time: review sensor coverage with DampTrace

Humidity charts hide missing time: review sensor coverage with DampTrace

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4 min read
The US government publishes 7 million flight records a year. Nobody can read them.

The US government publishes 7 million flight records a year. Nobody can read them.

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6 min read
Tracking Football Odds Movement in Python — the Full Tick History, Not Just a Snapshot

Tracking Football Odds Movement in Python — the Full Tick History, Not Just a Snapshot

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4 min read
I built a crypto trading bot. It lost to doing nothing.

I built a crypto trading bot. It lost to doing nothing.

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5 min read
A Two-Stage Workflow to Detect Data Leakage.

A Two-Stage Workflow to Detect Data Leakage.

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4 min read
I went looking for my ad profile inside the bid request. It wasn't there.

I went looking for my ad profile inside the bid request. It wasn't there.

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8 min read
The Lab: a backtester that is allowed to say "no"

The Lab: a backtester that is allowed to say "no"

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2 min read
Your eval dashboard has 30 metrics. When one "moves," that is usually arithmetic, not a regression.

Your eval dashboard has 30 metrics. When one "moves," that is usually arithmetic, not a regression.

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6 min read
SQL Isn't the Problem. Scientific Data Is.

SQL Isn't the Problem. Scientific Data Is.

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4 min read
How to Scrape Airbnb Listings and Prices in 2026 (No Code Required)

How to Scrape Airbnb Listings and Prices in 2026 (No Code Required)

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2 min read
Scrape Eventbrite events without a headless browser

Scrape Eventbrite events without a headless browser

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4 min read
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