Medium

Pol Marin

Pinned

Pol Marin

·

Oct 17, 2025

Deprioritizing Medium — Where I’ll be from now on

Switching platforms and defining the future of my content

Deprioritizing Medium — Where I’ll be from now on

Pinned

In

Data & Sports

by

Pol Marin

·

Sep 8, 2023

Netty — My Personal NBA Game-Winner Predictor

Using Neural Networks to predict the winner of any given NBA game

Netty — My Personal NBA Game-Winner Predictor

In

Level Up Coding

by

Pol Marin

·

Mar 16

Why Your A/B Test Winner Might Just Be Random Noise

What a coach’s warm-up trial can teach us about running better experiments

Why Your A/B Test Winner Might Just Be Random Noise

In

Data Science Collective

by

Pol Marin

·

Sep 6, 2025

Accuracy Is Dead: Calibration, Discrimination, and Other Metrics You Actually Need

A deep dive into advanced evaluation for data scientists

Accuracy Is Dead: Calibration, Discrimination, and Other Metrics You Actually Need

Pol Marin

·

Aug 26, 2025

Plato’s Cave and the Shadows of Data

On truth, illusion, and the limits of what data can reveal

Plato’s Cave and the Shadows of Data

In

Data & Sports

by

Pol Marin

·

Aug 24, 2025

Expected Goals and the Role of Randomness in Football

Why xG Explains Performance but Not Results

Expected Goals and the Role of Randomness in Football

In

Level Up Coding

by

Pol Marin

·

Jul 22, 2025

The Role of Luck in Sports: Can We Measure It?

From last-minute goals to coin tosses: How much does randomness influence the outcomes of games?

The Role of Luck in Sports: Can We Measure It?

In

Level Up Coding

by

Pol Marin

·

Jun 11, 2025

Building a Personal API for Your Data Projects with FastAPI

Supercharge your data projects by turning your code into a lightweight, reusable API

Building a Personal API for Your Data Projects with FastAPI

In

Level Up Coding

by

Pol Marin

·

Mar 28, 2025

Efficient Data Handling in Python with Arrow

Introducing Arrow to those who are still unaware of its power

Efficient Data Handling in Python with Arrow

In

AI Advances

by

Pol Marin

·

Mar 4, 2025

Unconstrained Minimization in Convex Optimization

Finding Global Minima Using Hessians and Sylvester’s Criterion

Unconstrained Minimization in Convex Optimization

Pol Marin

Pol Marin

Data Scientist @FCBarcelona | Naturally inclined towards sports analytics and health/nutrition - Find me on LinkedIn: linkedin.com/in/polmarin/

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