Data Science | Towards Data Science https://towardsdatascience.com/category/data-science/ Publish AI, ML & data-science insights to a global community of data professionals. Tue, 15 Jul 2025 05:10:42 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.1 https://towardsdatascience.com/wp-content/uploads/2025/02/cropped-Favicon-32x32.png Data Science | Towards Data Science https://towardsdatascience.com/category/data-science/ 32 32 What Can the History of Data Tell Us About the Future of AI? https://towardsdatascience.com/a-brief-recent-history-of-data/ Tue, 15 Jul 2025 05:10:24 +0000 https://towardsdatascience.com/?p=606585 A 40-Year Look at Data, Business Models, and the Forces Shaping Intelligent Systems

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]]> 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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]]> Dynamic Inventory Optimization with Censored Demand https://towardsdatascience.com/dynamic-inventory-optimization-with-censored-demand-2/ Mon, 14 Jul 2025 22:11:24 +0000 https://towardsdatascience.com/?p=606577 A sequential decision framework with Bayesian learning

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]]> Reducing Time to Value for Data Science Projects: Part 3 https://towardsdatascience.com/reducing-time-to-value-for-data-science-projects-part-3/ Thu, 10 Jul 2025 19:21:40 +0000 https://towardsdatascience.com/?p=606550 Setting up a robust experimentation process

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]]> Worried About AI? Use It to Your Advantage https://towardsdatascience.com/worried-about-ai-use-it-to-your-advantage/ Thu, 10 Jul 2025 11:00:00 +0000 https://towardsdatascience.com/?p=606557 This week, we focus on the future of data science and the opportunities that can arise amid uncertainty.

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]]> Time Series Forecasting Made Simple (Part 3.1): STL Decomposition https://towardsdatascience.com/time-series-forecasting-made-simple-part-3-1-stl-decomposition-understanding-initial-trend-and-seasonality-prior-to-loess-smoothing/ Wed, 09 Jul 2025 19:06:11 +0000 https://towardsdatascience.com/?p=606534 STL Decomposition excels when seasonal patterns evolve over time.

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]]> What I Learned in my First 18 Months as a Freelance Data Scientist https://towardsdatascience.com/what-i-learned-in-my-first-18-months-as-a-freelance-data-scientist-the-taxes-and-health-insurance-edition/ Wed, 09 Jul 2025 01:05:17 +0000 https://towardsdatascience.com/?p=606529 The taxes and health insurance edition

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]]> The Five-Second Fingerprint: Inside Shazam’s Instant Song ID https://towardsdatascience.com/the-five-second-fingerprint-inside-shazams-instant-song-id/ Tue, 08 Jul 2025 01:35:00 +0000 https://towardsdatascience.com/?p=606516 How Shazam recognizes songs in seconds

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]]> POSET Representations in Python Can Have a Huge Impact on Business https://towardsdatascience.com/poset-representations-in-python-have-huge-impact-on-business/ Mon, 07 Jul 2025 22:19:51 +0000 https://towardsdatascience.com/?p=606512 Discover how POSET indicators transform data into coherent scoring systems, enabling meaningful comparisons while preserving the data’s multi-dimensional semantic structure.

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]]> Liberating Performance with Immutable DataFrames in Free-Threaded Python https://towardsdatascience.com/liberating-performance-with-immutable-dataframes-in-free-threaded-python/ Mon, 07 Jul 2025 17:05:53 +0000 https://towardsdatascience.com/?p=606504 How StaticFrame and Python 3.13t enable true thread-based concurrency

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]]> Rethinking Data Science Interviews in the Age of AI https://towardsdatascience.com/rethinking-data-science-interviews-in-the-age-of-ai/ Fri, 04 Jul 2025 17:02:47 +0000 https://towardsdatascience.com/?p=606499 How AI is transforming data science interviews—and what hiring managers and candidates should do to adapt

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]]> Change-Aware Data Validation with Column-Level Lineage https://towardsdatascience.com/change-aware-data-validation-with-column-level-lineage/ Fri, 04 Jul 2025 16:23:39 +0000 https://towardsdatascience.com/?p=606496 Data transformation tools like dbt make constructing SQL data pipelines easy and systematic. But even with the added structure and clearly defined data models, pipelines can still become complex, which makes debugging issues and validating changes to data models difficult.

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]]> June Must-Reads: AI Agents, Dashboards, and More https://towardsdatascience.com/june-must-reads-ai-agents-dashboards-and-more/ Thu, 03 Jul 2025 11:00:00 +0000 https://towardsdatascience.com/?p=606559 A selection of our most-read and -shared articles of the past month.

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]]> How to Access NASA’s Climate Data — And How It’s Powering the Fight Against Climate Change Pt. 1 https://towardsdatascience.com/how-to-access-nasas-climate-data-and-how-its-powering-the-fight-against-climate-change-pt-1/ Tue, 01 Jul 2025 20:20:26 +0000 https://towardsdatascience.com/?p=606475 From architectural design to food security.

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]]> STOP Building Useless ML Projects – What Actually Works https://towardsdatascience.com/stop-building-useless-ml-projects-what-actually-works/ Tue, 01 Jul 2025 18:31:08 +0000 https://towardsdatascience.com/?p=606473 How to find machine learning projects that will get you hired.

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]]> An Introduction to Remote Model Context Protocol Servers https://towardsdatascience.com/an-introduction-to-remote-model-context-protocol-servers/ Tue, 01 Jul 2025 17:59:44 +0000 https://towardsdatascience.com/?p=606471 Writing, testing and using them.

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]]> Implementing IBCS rules in Power BI https://towardsdatascience.com/implementing-ibcs-rules-in-power-bi/ Tue, 01 Jul 2025 17:13:01 +0000 https://towardsdatascience.com/?p=606469 Is there a way to use the out-of-the-box features of Power BI to be IBCS compliant?

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]]> Revisiting Benchmarking of Tabular Reinforcement Learning Methods https://towardsdatascience.com/revisiting-benchmarking-of-tabular-reinforcement-learning-methods/ Tue, 01 Jul 2025 16:31:19 +0000 https://towardsdatascience.com/?p=606467 Introducing a modular framework and improving model performance.

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]]> From Reporting to Reasoning: How AI Is Rewriting the Rules of Data App Development https://towardsdatascience.com/from-reporting-to-reasoning-how-ai-is-rewriting-the-rules-of-data-app-development/ Tue, 01 Jul 2025 16:00:08 +0000 https://towardsdatascience.com/?p=606408 Explore the shift from static reports to intelligent apps with our first ebook.

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]]> Prescriptive Modeling Makes Causal Bets – Whether You Know it or Not! https://towardsdatascience.com/prescriptive-modeling-makes-causal-bets-whether-you-know-it-or-not/ Mon, 30 Jun 2025 20:26:39 +0000 https://towardsdatascience.com/?p=606465 An explanation of the causal assumption implicit in prescriptive modeling and how to satisfy it.

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