boschetti a. - python data science essentials - 2016.pdf

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Python Data Science Essentials
Second Edition
Become an efficient data science practitioner by
understanding Python's key concepts
Alberto Boschetti
Luca Massaron
BIRMINGHAM - MUMBAI
Python Data Science Essentials
Second Edition
Copyright © 2016 Packt Publishing
All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or
transmitted in any form or by any means, without the prior written permission of the
publisher, except in the case of brief quotations embedded in critical articles or reviews.
Every effort has been made in the preparation of this book to ensure the accuracy of the
information presented. However, the information contained in this book is sold without
warranty, either express or implied. Neither the authors, nor Packt Publishing, and its
dealers and distributors will be held liable for any damages caused or alleged to be caused
directly or indirectly by this book.
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companies and products mentioned in this book by the appropriate use of capitals.
However, Packt Publishing cannot guarantee the accuracy of this information.
First published: April 2015
Second edition: October 2016
Production reference: 1211016
Published by Packt Publishing Ltd.
Livery Place
35 Livery Street
Birmingham
B3 2PB, UK.
ISBN 978-1-78646-213-8
www.packtpub.com
Credits
Authors
Alberto Boschetti
Luca Massaron
Reviewer
Zacharias Voulgaris
Commissioning Editor
Veena Pagare
Acquisition Editor
Namrata Patil
Content Development Editor
Mayur Pawanikar
Technical Editor
Vivek Arora
Project Coordinator
Nidhi Joshi
Proofreader
Safis Editing
Indexer
Aishwarya Gangawane
Graphics
Disha Haria
Production Coordinator
Arvindkumar Gupta
Copy Editor
Vikrant Phadke
About the Authors
Alberto Boschetti
is a data scientist with expertise in signal processing and statistics. He
holds a PhD in telecommunication engineering and currently lives and works in London. In
his work projects, he faces challenges ranging from natural language processing (NLP),
behavioral analysis, and machine learning to distributed processing. He is very passionate
about his job and always tries to stay updated about the latest developments in data science
technologies, attending meet-ups, conferences, and other events.
I would like to thank my family, my friends, and my colleagues. Also, a big thanks to the
open source community.
Luca Massaron
is a data scientist and marketing research director specializing in
multivariate statistical analysis, machine learning, and customer insight, with over a decade
of experience of solving real-world problems and generating value for stakeholders by
applying reasoning, statistics, data mining, and algorithms. From being a pioneer of web
audience analysis in Italy to achieving the rank of a top ten Kaggler, he has always been
very passionate about every aspect of data and its analysis, and also about demonstrating
the potential of data-driven knowledge discovery to both experts and non-experts. Favoring
simplicity over unnecessary sophistication, Luca believes that a lot can be achieved in data
science just by doing the essentials.
To Yukiko and Amelia, for their loving patience. "Roads go ever ever on, under cloud and
under star, yet feet that wandering have gone turn at last to home afar".

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