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Data Science for Marketing Analytics - Second Edition

You're reading from  Data Science for Marketing Analytics - Second Edition

Product type Book
Published in Sep 2021
Publisher Packt
ISBN-13 9781800560475
Pages 636 pages
Edition 2nd Edition
Languages
Authors (3):
Mirza Rahim Baig Mirza Rahim Baig
Profile icon Mirza Rahim Baig
Gururajan Govindan Gururajan Govindan
Profile icon Gururajan Govindan
Vishwesh Ravi Shrimali Vishwesh Ravi Shrimali
Profile icon Vishwesh Ravi Shrimali
View More author details

Table of Contents (11) Chapters

Preface
1. Data Preparation and Cleaning 2. Data Exploration and Visualization 3. Unsupervised Learning and Customer Segmentation 4. Evaluating and Choosing the Best Segmentation Approach 5. Predicting Customer Revenue Using Linear Regression 6. More Tools and Techniques for Evaluating Regression Models 7. Supervised Learning: Predicting Customer Churn 8. Fine-Tuning Classification Algorithms 9. Multiclass Classification Algorithms Appendix

Classification Problems

Consider a situation where you have been tasked to build a model to predict whether a product bought by a customer will be returned or not. Since we have focused on regression models so far, let's try and imagine whether these will be the right fit here. A regression model will give continuous values as output (for example, 0.1, 100, 100.25, and so on), but in our case study we just have two values as output – a product will be returned, or it won't be returned. In such a case, except for these two values, all other values will be incorrect/invalid. While we can say that product returned can be considered as the value 0, and product not returned can be considered as the value 1, we still can't define what a value of 1.5 means.

In scenarios like these, classification models come into the picture. Classification problems are the most common type of machine learning problem. Classification tasks are different from regression tasks in the...

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