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Jeroen Janssens

Goodreads Author

Born

Netherlands

Website

https://jeroenjanssens.com

Twitter

jeroenhjanssens

Member Since

February 2018

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Jeroen Janssens, PhD, is a Senior Developer Relations Engineer at Posit, PBC. His expertise lies in visualizing data, implementing machine learning models, and building solutions using Python, R, JavaScript, and Bash. He’s passionate about open source and sharing knowledge. He’s the author of Python Polars: The Definitive Guide (O’Reilly, 2025) and Data Science at the Command Line (O’Reilly, 2021). Jeroen holds a PhD in machine learning from Tilburg University and an MSc in artificial intelligence from Maastricht University. He lives with his wife and two kids in Rotterdam, the Netherlands.

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Jeroen Janssens’s books

Average rating: 3.88 · 177 ratings · 22 reviews · 5 distinct works • Similar authors

	Data Science at the Command Line: Facing the Future with Time-Tested Tools 3.84 avg rating — 141 ratings — published 2014 — 8 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Data Science at the Command Line: Obtain, Scrub, Explore, and Model Data with Unix Power Tools 3.90 avg rating — 21 ratings	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Python Polars: The Definitive Guide: Transforming, Analyzing, and Visualizing Data with a Fast and Expressive DataFrame API by Jeroen Janssens (Goodreads Author), Thijs Nieuwdorp 4.21 avg rating — 14 ratings — 2 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	De Helden Van 1830: Alle Feiten En Mythes really liked it 4.00 avg rating — 1 rating — published 2005	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Schitterend Geslepen by Jeroen Janssens (Goodreads Author), Ziggy Adriaensens 0.00 avg rating — 0 ratings	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars

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