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Machine Learning with scikit-learn Quick Start Guide

You're reading from   Machine Learning with scikit-learn Quick Start Guide Classification, regression, and clustering techniques in Python

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Product type Paperback
Published in Oct 2018
Publisher Packt
ISBN-13 9781789343700
Length 172 pages
Edition 1st Edition
Languages
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Author (1):
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Kevin Jolly Kevin Jolly
Author Profile Icon Kevin Jolly
Kevin Jolly
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Table of Contents (10) Chapters Close

Preface 1. Introducing Machine Learning with scikit-learn FREE CHAPTER 2. Predicting Categories with K-Nearest Neighbors 3. Predicting Categories with Logistic Regression 4. Predicting Categories with Naive Bayes and SVMs 5. Predicting Numeric Outcomes with Linear Regression 6. Classification and Regression with Trees 7. Clustering Data with Unsupervised Machine Learning 8. Performance Evaluation Methods 9. Other Books You May Enjoy

Interpreting the logistic regression model

One of the key benefits of the logistic regression algorithm is that it is highly interpretable. This means that the outcome of the model can be interpreted as a function of the input variables. This allows us to understand how each variable contributes to the eventual outcome of the model.

In the first section, we understood that the logistic regression model consists of coefficients for each variable and an intercept that can be used to explain how the model works. In order to extract the coefficients for each variable in the model, we use the following code:

#Printing out the coefficients of each variable 

print(logistic_regression.coef_)

This results in an output as illustrated by the following screenshot:

The coefficients are in the order in which the variables were in the dataset that was input into the model. In order to extract...

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