{"title":"Jeroen Janssens","description":"Jeroen Janssens teaches data science; often through training and coaching, occasionally through speaking, and infrequently through writing. His interests include visualizing data, building machine learning models, and automating things using either Python, R, or Bash. He is the author of Data Science at the Command Line, published by O'Reilly Media. Jeroen holds a PhD in machine learning from Tilburg University and an MSc in artificial intelligence from Maastricht University. Previously, he was an assistant professor at Jheronimus Academy of Data Science and a data scientist at Elsevier in Amsterdam and various startups in New York City. Currently, Jeroen is the CEO of Data Science Workshops, which organises open enrollment workshops, in-company courses, inspiration sessions, hackathons, and meetups. All related to data science of course. He lives with his wife and two kids in Rotterdam, the Netherlands.","products":[{"product_id":"python-polars-the-definitive-guide-transforming-analyzing-and-visualizing-data-with-a-fast-and-expressive-dataframe-api-paperback","title":"Python Polars: The Definitive Guide: Transforming, Analyzing, and Visualizing Data with a Fast and Expressive Dataframe API - Paperback","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eUnlock the power of Polars, a Python package for transforming, analyzing, and visualizing data. In this hands-on guide, Jeroen Janssens and Thijs Nieuwdorp walk you through every feature of Polars, showing you how to use it for real-world tasks like data wrangling, exploratory data analysis, building pipelines, and more. \u003c\/p\u003e\u003cp\u003eWhether you're a seasoned data professional or new to data science, you'll quickly master Polars' expressive API and its underlying concepts. You don't need to have experience with pandas, but if you do, this book will help you make a seamless transition. The many practical examples and real-world datasets are available on GitHub, so you can easily follow along. \u003c\/p\u003e\u003cul\u003e \u003cli\u003eProcess data from CSV, Parquet, spreadsheets, databases, and the cloud \u003c\/li\u003e\n\u003cli\u003eGet a solid understanding of Expressions, the building blocks of every query \u003c\/li\u003e\n\u003cli\u003eHandle complex data types, including text, time, and nested structures \u003c\/li\u003e\n\u003cli\u003eUse both eager and lazy APIs, and know when to use each \u003c\/li\u003e\n\u003cli\u003eVisualize your data with Altair, hvPlot, plotnine, and Great Tables \u003c\/li\u003e\n\u003cli\u003eExtend Polars with your own Python functions and Rust plugins \u003c\/li\u003e\n\u003cli\u003eLeverage GPU acceleration to boost performance even further \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BooksCloud","offers":[{"title":"Default Title","offer_id":51319121379551,"sku":"9781098156084","price":86.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/8958\/4607\/files\/IHCSnyUXrR9781098156084.webp?v=1788366248"},{"product_id":"data-science-at-the-command-line-obtain-scrub-explore-and-model-data-with-unix-power-tools-paperback","title":"Data Science at the Command Line: Obtain, Scrub, Explore, and Model Data with UNIX Power Tools - Paperback","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThis thoroughly revised guide demonstrates how the flexibility of the command line can help you become a more efficient and productive data scientist. You'll learn how to combine small yet powerful command-line tools to quickly obtain, scrub, explore, and model your data. To get you started, author Jeroen Janssens provides a Docker image packed with over 100 Unix power tools--useful whether you work with Windows, macOS, or Linux. \u003c\/p\u003e\u003cp\u003e You'll quickly discover why the command line is an agile, scalable, and extensible technology. Even if you're comfortable processing data with Python or R, you'll learn how to greatly improve your data science workflow by leveraging the command line's power. This book is ideal for data scientists, analysts, engineers, system administrators, and researchers. \u003c\/p\u003e\u003cul\u003e \u003cli\u003eObtain data from websites, APIs, databases, and spreadsheets \u003c\/li\u003e\n\u003cli\u003ePerform scrub operations on text, CSV, HTML, XML, and JSON files \u003c\/li\u003e\n\u003cli\u003eExplore data, compute descriptive statistics, and create visualizations \u003c\/li\u003e\n\u003cli\u003eManage your data science workflow \u003c\/li\u003e\n\u003cli\u003eCreate your own tools from one-liners and existing Python or R code \u003c\/li\u003e\n\u003cli\u003eParallelize and distribute data-intensive pipelines \u003c\/li\u003e\n\u003cli\u003eModel data with dimensionality reduction, regression, and classification algorithms \u003c\/li\u003e\n\u003cli\u003eLeverage the command line from Python, Jupyter, R, RStudio, and Apache Spark \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BooksCloud","offers":[{"title":"Default Title","offer_id":51319128260831,"sku":"9781492087915","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/8958\/4607\/files\/0gNNWvp6hw9781492087915.webp?v=1788366261"}],"url":"https:\/\/blackandbarhe.com\/collections\/jeroen-janssens.oembed","provider":"Black \u0026 Barhe Bookstore","version":"1.0","type":"link"}