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Data Science with SQL Server Quick Start Guide

You're reading from  Data Science with SQL Server Quick Start Guide

Product type Book
Published in Aug 2018
Publisher Packt
ISBN-13 9781789537123
Pages 206 pages
Edition 1st Edition
Languages
Author (1):
Dejan Sarka Dejan Sarka
Profile icon Dejan Sarka
Toc

Table of Contents (15) Chapters close

Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
1. Writing Queries with T-SQL 2. Introducing R 3. Getting Familiar with Python 4. Data Overview 5. Data Preparation 6. Intermediate Statistics and Graphs 7. Unsupervised Machine Learning 8. Supervised Machine Learning 1. Other Books You May Enjoy Index

Chapter 8. Supervised Machine Learning

In Chapter 6, Intermediate Statistics and Graphs, we read about intermediate statistics with linear regression. I will continue this chapter from that point. Linear regression is already an algorithm you can use for predictions. You can make predictions with the directed, or the supervised, algorithms. Supervised algorithms have a target, or a dependent variable. They try to explain the values of that variable with the formula and the values of the independent variables. This explanation is stored in a model, which you use to predict the target variable value on a new dataset. The dependent variable supervises the development of the model. In a real project, you create many models, and then you deploy the one that suits your business needs the best. Therefore, you need to evaluate the models before the deployment.

In this chapter, I will explain the following:

  • Evaluating predictive models
  • Using the Naive Bayes algorithm
  • Predicting with logistic regression...
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