Table of Contents
Guide
Data Science for
Business
Professionals
A Practical Guide for Beginners
by
Probyto Data Science and
Consulting Pvt. Ltd.
FIRST EDITION 2020
Copyright BPB Publications, India
ISBN: 978-93-89423-280
All Rights Reserved. No part of this publication may be reproduced or distributed in any form or by any means or stored in a database or retrieval system, without the prior written permission of the publisher with the exception to the program listings which may be entered, stored and executed in a computer system, but they can not be reproduced by the means of publication.
LIMITS OF LIABILITY AND DISCLAIMER OF WARRANTY
The information contained in this book is true to correct and the best of authors & publishers knowledge. The author has made every effort to ensure the accuracy of these publications, but cannot be held responsible for any loss or damage arising from any information in this book.
All trademarks referred to in the book are acknowledged as properties of their respective owners.
Distributors:
BPB PUBLICATIONS
20, Ansari Road, Darya Ganj
New Delhi-110002
Ph: 23254990/23254991
MICRO MEDIA
Shop No. 5, Mahendra Chambers,
150 DN Rd. Next to Capital Cinema,
V.T. (C.S.T.) Station, MUMBAI-400 001
Ph: 22078296/22078297
DECCAN AGENCIES
4-3-329, Bank Street,
Hyderabad-500195
Ph: 24756967/24756400
BPB BOOK CENTRE
376 Old Lajpat Rai Market,
Delhi-110006
Ph: 23861747
Published by Manish Jain for BPB Publications, 20 Ansari Road, Darya Ganj, New Delhi-110002 and Printed by him at Repro India Ltd, Mumbai
Dedicated to
Students & Data Science Enthusiast
The Probyto Team Members, who are at
forefront of sharing their knowledge
About the Author
Probyto Data Science and Consulting Private Limited (referred as Probyto) is leading solution provider in Artificial Intelligence (AI) domain for business from different sizes and industries. Probyto develops AI Solutions for businesses and delivers them through fully Managed AI platform. AI Platform enables businesses of any size to subscribe AI solutions and get started within 7 days. The vision of Probyto is to become AI Success Partner to our clients by Accelerating the AI Journey in quick, secure, scalable and affordable manner.
Probyto create AI equity by feeding in the value cycle, good talent, quality output and client value, hence creating AI equity for societies and companies. With Probyto AI resources bouquet, the innovation process is streamlined to innovate at scale.
- Founded in 2015 in India; Expanded our services to Ireland, Singapore and US
- Striving to deliver best value through our rich experience across geographies and industries using finest of Data Science and Technology
- Our approach is to become your AI Success Partner and help you climb the AI success ladder
Probyto activities and contribution in the field of AI are driven by three key goals.
- AI Democratization Be it small shop or a large business the benefit of AI/ML should reach everyone
- Affordable AI - The cost of AI development and operations should allow higher adoption rate
- Good for Society - Whatever AI solutions Probyto develops, it needs to keep overall good of society at its core
To fulfil Probytos goals, the book has been written by collective experience of many of Probyto past client projects, academic collaborations and team members for last 5 years. The collective work is represented by different experts in data driven decision making and portion they deal with in creating value for the clients. The team has experienced professionals and freshers who have gained from the approach as mentioned in the book as well.
Visit Probyto to know about our team and our offerings for academia & Industry: https://probyto.com
Acknowledgement
The book is not just a collection of topics in the Data Science domain but a journal of what Probyto team has learned in practical application of Data Science over past 5+ years implementing solutions and nurturing fresh talent.
This book has been possible by the support and work of a multidisciplinary team comprising of researchers, cloud architects, developers and business consultants at Probyto. Special mention goes to the team members who led the efforts for writing the book manuscript, Parvej Reja Saleh, Namachivayam Dharmalingam, Srivathshan KS, Devjit Dey, Jayeesha Ghosh and Md Rakibul Ashiquee. A special thank goes to Abhishek Singh from Probyto for facilitation of the whole effort with BPB.
The book learnings have been gathering by our numerous interactions with academic institutions, our interns, researchers and most important the clients. The feedback from clients help us build the right skillset in team and influence the freshers to look at data science as a tool to solve business problems rather than mastery of tools itself.
I would like to express my deep gratitude to all the Probyto Team members for their valuable contribution in this book. I would like to thank Abhishek Singh, for his advice and assistance in keeping my progress on schedule. My grateful thanks are also extended to the co-author Namachivayam for his contribution and constant support. Finally, I wish to thank SM Saleh (Father), Roushanara Saleh (Mother), BS Hasina (Aunt) and Late Saheda Akhtar (Aunt) for their constant support and encouragement.
- Parvej Reja Saleh
I personally thank Probyto and our team members who supports to share the knowledge to successfully write this book. Hope this book will make a good starting point of Data Science journey for the students
- Namachivayam Dharmalingam
A big thanks for the team at BPB, for making this book possible for our freshers in India and Abroad. This book will open opportunities for students to see the Data Science domain from professional perspective and give them path to learn the valuable skills.
Preface
Data Science has emerged as a standalone industry itself serving needs of multiple other industries and sectors by providing valuable factual insights and automation of data driven tasks. Further, due to multiple reasons of which talent being most significant one, the adoption rate of Data Science is slower. It has been proven that data driven decision tools can reduce cost for companies operations and at the same time create new markets.
Nowadays, the data science training programs are growing with high rate due to steep increase in demand of skilled candidates for open roles in Data Science domain. Data Science trainings offered by various platforms are designed to cover three crucial parts of skilling the freshers; theoretical concepts in Machine Learning, technology and programming skills, and the skills to create data-based solutions for business problems. For a fresher or enthusiast, accessing so many different aspects of data science is a challenge due to;