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Data Science

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

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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
The best config in your bake-off didn't win. Selection did.

The best config in your bake-off didn't win. Selection did.

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12 min read
Comprehensive Guide to Python Frameworks & Libraries

Comprehensive Guide to Python Frameworks & Libraries

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9 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
Installing R and RStudio Server on Ubuntu 24.04

Installing R and RStudio Server on Ubuntu 24.04

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3 min read
Why the Same Fundamental Lives Under Different XBRL Tags in SEC EDGAR

Why the Same Fundamental Lives Under Different XBRL Tags in SEC EDGAR

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6 min read
SEC 10-K Filing Deadline Data: The Structural Reason Fundamentals Lag Weeks Behind

SEC 10-K Filing Deadline Data: The Structural Reason Fundamentals Lag Weeks Behind

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5 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
Os hobbies mais valem a pena, segundo a ciĂȘncia

Os hobbies mais valem a pena, segundo a ciĂȘncia

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22 min read
Linear Regression: From Least Squares to Production-Ready Practice

Linear Regression: From Least Squares to Production-Ready Practice

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6 min read
Job postings are the earliest buying signal your GTM stack ignores

Job postings are the earliest buying signal your GTM stack ignores

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4 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
How ICD-10 Codes Map to an HCC / RAF Score (and Why the Same Code Set Yields Different Scores)

How ICD-10 Codes Map to an HCC / RAF Score (and Why the Same Code Set Yields Different Scores)

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2 min read
Beyond the Basics: Streamlit, Dash, and Bokeh for Interactive Dashboards

Beyond the Basics: Streamlit, Dash, and Bokeh for Interactive Dashboards

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5 min read
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