Book Image

Data Science for Marketing Analytics - Second Edition

By : Mirza Rahim Baig, Gururajan Govindan, Vishwesh Ravi Shrimali
Book Image

Data Science for Marketing Analytics - Second Edition

By: Mirza Rahim Baig, Gururajan Govindan, Vishwesh Ravi Shrimali

Overview of this book

Unleash the power of data to reach your marketing goals with this practical guide to data science for business. This book will help you get started on your journey to becoming a master of marketing analytics with Python. You'll work with relevant datasets and build your practical skills by tackling engaging exercises and activities that simulate real-world market analysis projects. You'll learn to think like a data scientist, build your problem-solving skills, and discover how to look at data in new ways to deliver business insights and make intelligent data-driven decisions. As well as learning how to clean, explore, and visualize data, you'll implement machine learning algorithms and build models to make predictions. As you work through the book, you'll use Python tools to analyze sales, visualize advertising data, predict revenue, address customer churn, and implement customer segmentation to understand behavior. By the end of this book, you'll have the knowledge, skills, and confidence to implement data science and machine learning techniques to better understand your marketing data and improve your decision-making.
Table of Contents (11 chapters)
Preface

Classifiers in Multiclass Classification

Let's consider two problem statements:

  • An online trading company wants to provide additional benefits to its customers. The marketing analytics team has divided the customers into five categories based on when the last time they logged in to the platform was.
  • The same trading company wants to build a recommendation system for mutual funds. This will recommend their users a mutual fund based on the risk they are willing to take, the amount they are planning to invest, and some other features. The number of mutual funds is well above 100.

Before you jump into more detail about the differences between these two problem statements, let's first understand the two common ways of approaching multiclass classification.

Multiclass classification can be implemented by scikit-learn in the following two ways:

One-versus-all (one-versus-rest) classifier: Here, one classifier is fit against one class. For each of the classifiers...