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Data Science

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

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Building GeoPrizm: Turning Global News Events into a Bilateral Relations Index

Building GeoPrizm: Turning Global News Events into a Bilateral Relations Index

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2 min read
95% R Without Neural Networks: Solving the Flipkart GridLock 2.0 Traffic Challenge

95% R Without Neural Networks: Solving the Flipkart GridLock 2.0 Traffic Challenge

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1 min read
Why Your Backtest Is Lying to You — 3 Tests That Catch Lookahead Bias, Overfitting, and Fantasy Fills

Why Your Backtest Is Lying to You — 3 Tests That Catch Lookahead Bias, Overfitting, and Fantasy Fills

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3 min read
How to track Weibo hot-search velocity with Python in 2026 — the trending-delta problem and how to handle it

How to track Weibo hot-search velocity with Python in 2026 — the trending-delta problem and how to handle it

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4 min read
How Excel Is Used in Real-World Data Analysis Week 1 Reflection | Data Science & Analytics Program, LuxDevHQ

How Excel Is Used in Real-World Data Analysis Week 1 Reflection | Data Science & Analytics Program, LuxDevHQ

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4 min read
When Feature Importance Lies: Target Encoding at the Noise Floor

When Feature Importance Lies: Target Encoding at the Noise Floor

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8 min read
The Clean Energy Breakthrough That's Coming

The Clean Energy Breakthrough That's Coming

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9 min read
Walk-forward backtest: como não enganar a si mesmo

Walk-forward backtest: como não enganar a si mesmo

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5 min read
The Beta-Binomial trick for not overreacting to a tiny sample

The Beta-Binomial trick for not overreacting to a tiny sample

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3 min read
How I Batch-Convert 100+ Documents to Markdown for LLM Ingestion — 3 Practical Scripts

How I Batch-Convert 100+ Documents to Markdown for LLM Ingestion — 3 Practical Scripts

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6 min read
From Clean CSVs to Production‑Shaped Data: A Practical Guide for Academic ML and Data Engineering

From Clean CSVs to Production‑Shaped Data: A Practical Guide for Academic ML and Data Engineering

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5 min read
There's No Good Programmatic Source for African Macro Data — So I Built One

There's No Good Programmatic Source for African Macro Data — So I Built One

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6 min read
# Moving RAG From Demo to Production on Databricks: A Developer-Focused Checklist

# Moving RAG From Demo to Production on Databricks: A Developer-Focused Checklist

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4 min read
How I Used Python to Analyse 40,000 Human Gut Cells and Uncover What Makes Crohn's Disease Different from Colitis

How I Used Python to Analyse 40,000 Human Gut Cells and Uncover What Makes Crohn's Disease Different from Colitis

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8 min read
How I Used Python to Analyse 40,000 Human Gut Cells and Uncover What Makes Crohn's Disease Different from Colitis

How I Used Python to Analyse 40,000 Human Gut Cells and Uncover What Makes Crohn's Disease Different from Colitis

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8 min read
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