Pol Marin, Author at Towards Data Science https://towardsdatascience.com Publish AI, ML & data-science insights to a global community of data professionals. Tue, 15 Jul 2025 00:41:53 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.1 https://towardsdatascience.com/wp-content/uploads/2025/02/cropped-Favicon-32x32.png Pol Marin, Author at Towards Data Science https://towardsdatascience.com 32 32 Accuracy Is Dead: Calibration, Discrimination, and Other Metrics You Actually Need https://towardsdatascience.com/accuracy-is-dead-calibration-discrimination-and-other-metrics-you-actually-need/ Tue, 15 Jul 2025 00:41:39 +0000 https://towardsdatascience.com/?p=606583 A deep dive into advanced evaluation for data scientists

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]]> The Role of Luck in Sports: Can We Measure It? https://towardsdatascience.com/the-role-of-luck-in-sports-can-we-measure-it/ Fri, 06 Jun 2025 12:56:13 +0000 https://towardsdatascience.com/?p=606224 From last-minute goals to coin tosses: How much does randomness influence the outcomes of games?

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]]> Building a Personal API for Your Data Projects with FastAPI https://towardsdatascience.com/building-a-personal-api-for-your-data-projects-with-fastapi/ Tue, 22 Apr 2025 05:11:23 +0000 https://towardsdatascience.com/?p=605766 Supercharge your data projects by turning your code into a lightweight, reusable API

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]]> PyScript vs. JavaScript: A Battle of Web Titans https://towardsdatascience.com/pyscript-vs-javascript-a-battle-of-web-titans/ Wed, 02 Apr 2025 17:15:17 +0000 https://towardsdatascience.com/?p=605388 Can Python really replace JavaScript for web development?

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]]> Efficient Data Handling in Python with Arrow https://towardsdatascience.com/efficient-data-handling-in-python-with-arrow/ Tue, 25 Feb 2025 20:56:16 +0000 https://towardsdatascience.com/?p=598426 Introducing Arrow to those who are still unaware of its power

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]]> What Would a Stoic Do? – An AI-Based Decision-Making Model https://towardsdatascience.com/what-would-a-stoic-do-an-ai-based-decision-making-model-df01c86b7348/ Sun, 12 Jan 2025 13:31:58 +0000 https://towardsdatascience.com/what-would-a-stoic-do-an-ai-based-decision-making-model-df01c86b7348/ Using AI to build Marcus Aurelius' reincarnation

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]]> Football and Geometry – Passing Networks https://towardsdatascience.com/football-and-geometry-passing-networks-6e201ceff6ef/ Mon, 16 Sep 2024 23:54:06 +0000 https://towardsdatascience.com/football-and-geometry-passing-networks-6e201ceff6ef/ Analyzing Bayer Leverkusen's Passing Networks from Last Season

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]]> Modeling the Extinction of the Catalan Language https://towardsdatascience.com/modeling-the-extinction-of-the-catalan-language-01eda1527f5d/ Fri, 28 Jun 2024 23:45:19 +0000 https://towardsdatascience.com/modeling-the-extinction-of-the-catalan-language-01eda1527f5d/ Applying existing literature to a practical case

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]]> Using Clustering Algorithms for Player Recruitment https://towardsdatascience.com/using-clustering-algorithms-for-player-recruitment-98208d3a6cb4/ Mon, 15 Apr 2024 17:37:06 +0000 https://towardsdatascience.com/using-clustering-algorithms-for-player-recruitment-98208d3a6cb4/ Which players could help Fulham overcome their major flaws?

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]]> Markov Chain Monte Carlo: Made Simple Once and For All https://towardsdatascience.com/markov-chain-monte-carlo-made-simple-once-and-for-all-e86e8384186c/ Fri, 01 Mar 2024 04:55:27 +0000 https://towardsdatascience.com/markov-chain-monte-carlo-made-simple-once-and-for-all-e86e8384186c/ Introduction to MCMC, dividing it into its simplest terms

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]]> Using Bayesian Modeling to Predict The Champions League https://towardsdatascience.com/using-bayesian-modeling-to-predict-the-champions-league-8ebb069006ba/ Tue, 20 Feb 2024 15:11:32 +0000 https://towardsdatascience.com/using-bayesian-modeling-to-predict-the-champions-league-8ebb069006ba/ Bayesian Inference Applied to Real-World Examples

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]]> Your Data Science Visualizations Will Never Be The Same – Plotly & Dash https://towardsdatascience.com/your-data-science-visualizations-will-never-be-the-same-plotly-dash-6327d07d9efb/ Tue, 24 Oct 2023 06:52:39 +0000 https://towardsdatascience.com/your-data-science-visualizations-will-never-be-the-same-plotly-dash-6327d07d9efb/ Using Plotly and Dash to create interactive dashboards

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]]> AI Search Algorithms - A Deep Dive Into The Most Popular Ones https://towardsdatascience.com/ai-search-algorithms-a-deep-dive-into-the-most-popular-ones-2760679368bb/ Wed, 23 Aug 2023 19:32:30 +0000 https://towardsdatascience.com/ai-search-algorithms-a-deep-dive-into-the-most-popular-ones-2760679368bb/ Going through 4 of the most used search algorithms in AI

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]]> Analyzing FC Barcelona’s Defense From a Data Science Perspective https://towardsdatascience.com/analyzing-fc-barcelonas-defense-from-a-data-science-perspective-76797018b0b3/ Thu, 10 Aug 2023 07:08:47 +0000 https://towardsdatascience.com/analyzing-fc-barcelonas-defense-from-a-data-science-perspective-76797018b0b3/ A visual data comparison to illustrate Barca's defense flaws

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]]> How Random Are Goals in Soccer? https://towardsdatascience.com/how-random-are-goals-in-soccer-8a822c1f3bc/ Sat, 29 Jul 2023 00:32:45 +0000 https://towardsdatascience.com/how-random-are-goals-in-soccer-8a822c1f3bc/ Sports Analytics Football (or soccer for the USA readers) is an amazing sport. It can’t be the world’s most popular sport by coincidence. Football gathers people together, it’s an excuse to disconnect from our busy lives because game time is fun time. We order some fast food and eat it while Messi makes magic with […]

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]]> Type Hints in Python https://towardsdatascience.com/type-hints-in-python-1c096f44f375/ Tue, 11 Jul 2023 06:44:24 +0000 https://towardsdatascience.com/type-hints-in-python-1c096f44f375/ Your code will no longer be a mystery

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]]> How to Become a Data Scientist Without a Technical Background: Tips and Strategies https://towardsdatascience.com/how-to-become-a-data-scientist-without-a-technical-background-tips-and-strategies-9d569c4bdb5e/ Fri, 30 Jun 2023 18:02:52 +0000 https://towardsdatascience.com/how-to-become-a-data-scientist-without-a-technical-background-tips-and-strategies-9d569c4bdb5e/ Guide This story will be somewhat different from what I usually post. It won’t be an intro to specific tools and techniques, nor a tutorial or a practical case. This time I want to answer a question I’ve been receiving through LinkedIn since I started posting on Medium: how does someone with no technical background […]

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]]> Building Interactive Data Visualizations with Python - The Art of Storytelling https://towardsdatascience.com/building-interactive-data-visualizations-with-python-the-art-of-storytelling-ceb43db67488/ Sun, 04 Jun 2023 15:02:33 +0000 https://towardsdatascience.com/building-interactive-data-visualizations-with-python-the-art-of-storytelling-ceb43db67488/ Intro Guide Building Interactive Data Visualizations with Python – The Art of Storytelling Mastering the art of storytelling is important for data scientists, but especially crucial for data analysts. Sharing the data insights and highlights with people unfamiliar with it, who may not even come from a technical background, is one of the most important […]

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]]> 3 Essential PostgreSQL Functions You Deserve To Know https://towardsdatascience.com/3-essential-postgresql-functions-you-deserve-to-know-b2a96e301ac0/ Mon, 22 May 2023 14:25:48 +0000 https://towardsdatascience.com/3-essential-postgresql-functions-you-deserve-to-know-b2a96e301ac0/ Three little-known functions that will elevate your data game

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]]> Gradient Descent Algorithm 101 https://towardsdatascience.com/gradient-descent-algorithm-101-c226c69d756c/ Tue, 25 Apr 2023 17:22:06 +0000 https://towardsdatascience.com/gradient-descent-algorithm-101-c226c69d756c/ Understand the optimization algorithm widely used in Machine and Deep Learning

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