7 Best Books to Become a Data Scientist in 2021
Data science encompasses a set of principles, problem definitions, algorithms, and processes for extracting non-obvious and useful patterns from large datasets. It is closely related to the fields of data mining and machine learning, but broader in scope.
In this article, let’s cover the best books to build a career or side hustle as a data scientist through a collection of book reviews.
Each book review highlights the taste of the book, contents covered, and how it can benefit you.
Why Learn Data Science?
Let us now delve into the top reasons why you should learn Data science:
A fuel of 21st century: Data science has critical applications across most industries today. It is rapidly expanding its horizons to places never thought possible.
Problem of demand and supply: There is a lack of ‘data-literacy’ in the market. In order to fill this vacuum in supply, you need to learn Data Science and its underlying fields.
A lucrative career: The the value of a Data Scientist is very high in the market. It is one of the most in-demand careers in computer science and the job outlook for data scientists is very positive.
Offers Quick Growth: Data science is the new engine driving different industries and businesses. Good knowledge and experience in data science ensures a quick career growth.
You can use your knowledge in data science for generating side income: There are so many side income opportunities for data scientists for example freelancing, consultancy, tutoring, teaching, blogging.
What Makes The Best Data Science Books?
Here are our criteria for selection of the books:
The book should contain a variety of instructional materials, including exercises, examples, questions, learning activities, and other features that promote the reader's engagement and learning.
It uses clear, precise, and easy-to-understand language.
Content must be up-to-date and should thoroughly teach and explain the basic concepts of data science.
Contain assignments for practice and hands-on experience
The book should have a clear layout and must be friendly toward self-taught programmers.
Best Books for Data Scientists
We have reviewed the top 7 books for data scientists.
It is important to stay on top of the game and read relevant books to boost your skills. Here’s the list of books you should read as a Data Analyst at any level. These books will jumpstart your career and help you along the way.
1. Best Book for Pragmatic Learners: Data Science from Scratch: First Principles with Python
Data Science from Scratch by Joel Grus is the most gentle introduction to Data Science and Data Analytics. This book will give you a crash course in Python, linear algebra, statistics, and probability. After reading the book, you will be able to:
Collect, explore, clean, munge, and manipulate data
Dive into the fundamentals of machine learning
Implement models such as k-nearest neighbors, Naïve Bayes, linear and logistic regression, decision trees, neural networks, and clustering
Explore recommender systems, natural language processing, network analysis, MapReduce, and databases
The book is divided into twenty seven chapters and includes the following contents:
Chapter 1 gives the introduction to data science
Chapter 2 is a crash course in Python
Chapter 3 talks about 3. Visualizing Data
Chapter 4 covers linear algebra
Chapter 5 talks about Statistics
Chapter 6 covers Probability
Chapter 7 talks about Hypothesis and Inference
Chapter 8 covers Gradient Descent
Chapter 9 guides you on getting data
Chapter 10 talks about working with Data
Chapter 11 covers Machine Learning
Chapter 12 covers k-Nearest Neighbors
Chapter 13 talks about Naive Bayes
Chapter 14 covers Simple Linear Regression
Chapter 15 covers Multiple Regression
Chapter 16 covers Logistic Regression
Chapter 17 covers Decision Trees
Chapter 18 talks about Neural Networks
Chapter 19 covers Deep Learning
Chapter 20 talks about clustering
Chapter 21 talks about Natural Language Processing
Chapter 22 covers Network Analysis
Chapter 23 covers Recommender Systems
Chapter 24 covers Databases and SQL
Chapter 25 covers MapReduce
Chapter 26 talks about data ethics
Chapter 27 guides to go forth and do Data Science
This book will show the reader how to find the gems in today’s messy glut of data.
2. Best book for Data Scientists Computing in Python: Python Data Science Handbook
Python Data Science Handbook by Jake VanderPlas gives an introduction to the Python language, along with how to do machine learning with Python based tools.
The book addresses the needs of the entire Data Science Process, from getting the data, exploring the data, modeling the data and communicating/visualizing the results.
Chapter 1 covers IPython: Beyond Normal Python
Chapter 2 covers introduction to NumPy
Chapter 3 covers Data Manipulation with Pandas
Chapter 4 covers Visualization with Matplotlib
Chapter 5 covers Machine Learning
Every page is rich in information and provides practical use case examples, optimization tricks and adds new dimensions to your understanding of the topic. This book is the must-have reference for data scientists computing in Python.
3. Best book for the Career-Focused Learner: Build a Career in Data Science
Build a Career in Data Science by Emily Robinson and Jacqueline Nolis guides you to land your first data science job and develop into a valued senior employee.
The book guides the reader how to create a portfolio of data science projects. The authors discuss assessing and negotiating an offer, leaving gracefully and moving up the ladder. The book also includes some interviews with professional data scientists.
The sixteen chapters are divided into four parts.
Part 1 - Getting Started With Data Science
Chapter 1 gives an overview of data science
Chapter 2 talks about Data science companies
Chapter 3 talks about Getting the skills
Chapter 4 helps you in Building a portfolio
Part 2 - Finding Your Data Science Job
Chapter 5 talks about the search: Identifying the right job for you
Chapter 6 talks about the application: resumes and cover letters
Chapter 7 covers the interview: What to expect and how to handle it
Chapter 8 covers the offer: Knowing what to accept
Part 3 - Settling Into Data Science
Chapter 9 talks about the first months on the job
Chapter 10 talks about taking an effective analysis
Chapter 11 talks about deploying a model into production
Chapter 12 talks about working with stakeholders
Part 4 - Growing In Your Data Science Role
Chapter 13 steers the way when your data science project fails
Chapter 14 guides you to join the data science community
Chapter 15 talks about leaving your job gracefully
Chapter 16 guides you about moving up the ladder
This book is ideal for those who want to begin or advance a data science career.
4. Best book for Serious Learners: Data Science: A Comprehensive Beginner’s Guide to Learn the Realms of Data Science
Data Science: A Comprehensive Beginner’s Guide to Learn the Realms of Data Science by Liam Damien gives a detailed overview of Data Science and the skills that one needs to develop to become a data scientist.
The book will help you learn the following:
Big Data and its benefits
What is data and how it can be used to obtain insights
The different types of data analytics
What is Data Visualization
How to interpret data
What are data mining and the different algorithms used for data mining
Some data mining tools and their advantages
What is data integration and the process
This book will be the perfect solution to those who are new to the realms of data science.
5. Best Book for Completionists: Data Science (The MIT Press Essential Knowledge series)
Data Science by John D. Kelleher gives a concise introduction to the emerging field of data science. The book talks about its evolution, relation to machine learning, current uses, data infrastructure issues, and ethical challenges.
The book introduces fundamental data concepts and describes the stages in a data science project. It is divided into seven chapters and includes the following contents:
Chapter 1 gives an introduction to data science
Chapter 2 talks about what is data and what is a data set
Chapter 3 covers the data science ecosystem
Chapter 4 covers machine learning
Chapter 5 talks about standard data science tasks
Chapter 6 talks about privacy and ethics
Chapter 7 talks about future trends and principles of success
This book covers core concepts in data science in an easy to read manner. Overall, it offers a great non-technical overview of data science. This well-written and easy-to-understand book is for anyone who wishes to enter data science.
6. Best Book for Total Beginners: Data Science For Dummies
Data Science for Dummies by Lillian Pierson gives a broad overview of the discipline to get readers familiar with data science. The book also explores topics like data engineering, programming languages like R and Python, machine learning, algorithms, artificial intelligence, and the evolution of the Internet of Things. The book also explores data visualization techniques that can be used to showcase, summarize, and communicate the data insights you generate.
The book is divided into six parts and twenty three chapters.
Part 1 helps in getting started with Data Science
Part 2 talks about using data science to extract meaning from your data
Part 3 talks about creating data visualizations that clearly communicate meaning
Part 4 covers computing for Data Science
Part 5 talks about applying domain expertise to solve real-world problems using data science
Part 6 includes 10 phenomenal resources for open data and 10 free data science tools and applications
If you have a curiosity about data science, this might be a good place to start.
7. Best book for Hands-On Learners: Data Science Projects with Python
Data Science Projects with Python by Stephen Klosterman is a hands-on introduction to real-world data science. This book will help you gain hands-on experience with industry-standard data analysis and machine learning tools in Python.
After reading the book, you will be able to:
Tackle data science problems by identifying the problem to be solved
Illustrate patterns in data using appropriate visualizations
Implement suitable machine learning algorithms to gain insights from data
The contents covered in the book are:
Data Exploration and Cleaning
Introduction to Scikit-Learn and Model Evaluation
Details of Logistic Regression and Feature Exploration
The Bias-Variance Trade-off
Decision Trees and Random Forests
Imputation of Missing Data, Financial Analysis, and Delivery to Client
The book is full of practical step-by-step exercises, activities and solutions. The contents are written in a well-structured and easy to understand manner.
The book is an ideal introduction to data science for those already familiar with foundational Python.
More Ways to Learn to Become a Data Scientist
The data science books featured in this post will help the reader gain insight into this growing field.
I always recommend pairing your book with multiple forms of input, so that you can learn as quickly and effectively as possible.
You can pursue your data science learning plan online. There is a wide range of popular online courses in data science and we have listed a few:
Udemy: The Data Science Course 2021: Complete Data Science Bootcamp is a high-rated course that provides the entire toolbox you need to become a data scientist. This 28.5 hours course is divided into 63 sections and includes 90 articles.
You can launch your career in data science with Introduction to Data Science Specialization. There are four courses in this specialization including
Data Science: Statistics and Machine Learning Specialization is a series of courses that covers statistical inference, regression models, machine learning, and the development of data products.
Codecademy: Codecademy Pro has an extensive Data Scientist Career Path designed to take you from zero to professional ready to interview. . The course teaches how to analyze data, communicate findings, and draw predictions using machine learning.
These online courses include lecture videos, live sessions, and opportunities to collaborate with other learners and data scientists from all around the world.
We also suggest here over 70 coding resources that are free online.
Level up your Data Science skills by reading these books and taking these online courses.