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Data Science

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

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How to Scrape Airbnb Market Data (Prices, Ratings, Availability) at Scale

How to Scrape Airbnb Market Data (Prices, Ratings, Availability) at Scale

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3 min read
Markov Chain Monte Carlo: Theoretical Foundations

Markov Chain Monte Carlo: Theoretical Foundations

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6 min read
Understanding Data Modeling, Schemas, Relationships, and Joins: A Beginner's Guide

Understanding Data Modeling, Schemas, Relationships, and Joins: A Beginner's Guide

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6 min read
The regression your eval set is too small to catch

The regression your eval set is too small to catch

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7 min read
Building a geopolitical signal desk: AIS corridor pressure, multi-source price cross-validation, and corroboration logic

Building a geopolitical signal desk: AIS corridor pressure, multi-source price cross-validation, and corroboration logic

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3 min read
Deployment isn't the finish line: validating and monitoring credit models

Deployment isn't the finish line: validating and monitoring credit models

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5 min read
Why Is the Normal Distribution So Important in Machine Learning and Statistics?

Why Is the Normal Distribution So Important in Machine Learning and Statistics?

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4 min read
I tracked every trending AI repo's stars daily for 3 weeks. The growth is not where I expected

I tracked every trending AI repo's stars daily for 3 weeks. The growth is not where I expected

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3 min read
From Raw Prices to Real Signals: Financial Metrics for a Data Pipeline (Daily Return, MA, RSI, MACD, Volatility)

From Raw Prices to Real Signals: Financial Metrics for a Data Pipeline (Daily Return, MA, RSI, MACD, Volatility)

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4 min read
Tracking New Patent Filings Without an API Key (Google Patents Has a Hidden XHR Endpoint)

Tracking New Patent Filings Without an API Key (Google Patents Has a Hidden XHR Endpoint)

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3 min read
A CSV sample that looks like the whole dataset is worse than no CSV at all

A CSV sample that looks like the whole dataset is worse than no CSV at all

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5 min read
One average eval score was hiding two different failure modes

One average eval score was hiding two different failure modes

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5 min read
Hello, Dev Community! 👋 My Journey Into Code

Hello, Dev Community! 👋 My Journey Into Code

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2 min read
How to Detect Lookahead Bias in a Backtest: A Practical Checklist

How to Detect Lookahead Bias in a Backtest: A Practical Checklist

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5 min read
"Raise the price, sell less" is backwards: $200+ Gumroad products sell 3.6x MORE units than $49 ones.

"Raise the price, sell less" is backwards: $200+ Gumroad products sell 3.6x MORE units than $49 ones.

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3 min read
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