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Data Cleaning and Exploration with Machine Learning

You're reading from   Data Cleaning and Exploration with Machine Learning Get to grips with machine learning techniques to achieve sparkling-clean data quickly

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Product type Paperback
Published in Aug 2022
Publisher Packt
ISBN-13 9781803241678
Length 542 pages
Edition 1st Edition
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Author (1):
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Michael Walker Michael Walker
Author Profile Icon Michael Walker
Michael Walker
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Table of Contents (23) Chapters Close

Preface 1. Section 1 – Data Cleaning and Machine Learning Algorithms
2. Chapter 1: Examining the Distribution of Features and Targets FREE CHAPTER 3. Chapter 2: Examining Bivariate and Multivariate Relationships between Features and Targets 4. Chapter 3: Identifying and Fixing Missing Values 5. Section 2 – Preprocessing, Feature Selection, and Sampling
6. Chapter 4: Encoding, Transforming, and Scaling Features 7. Chapter 5: Feature Selection 8. Chapter 6: Preparing for Model Evaluation 9. Section 3 – Modeling Continuous Targets with Supervised Learning
10. Chapter 7: Linear Regression Models 11. Chapter 8: Support Vector Regression 12. Chapter 9: K-Nearest Neighbors, Decision Tree, Random Forest, and Gradient Boosted Regression 13. Section 4 – Modeling Dichotomous and Multiclass Targets with Supervised Learning
14. Chapter 10: Logistic Regression 15. Chapter 11: Decision Trees and Random Forest Classification 16. Chapter 12: K-Nearest Neighbors for Classification 17. Chapter 13: Support Vector Machine Classification 18. Chapter 14: NaĂ¯ve Bayes Classification 19. Section 5 – Clustering and Dimensionality Reduction with Unsupervised Learning
20. Chapter 15: Principal Component Analysis 21. Chapter 16: K-Means and DBSCAN Clustering 22. Other Books You May Enjoy

Binary classification with logistic regression

Logistic regression is often used to model health outcomes when the target is binary, such as whether the person gets a disease or not. We will go through an example of that in this section. We will build a model to predict if an individual will have heart disease based on personal characteristics such as smoking and alcohol drinking habits; health features, including BMI, asthma, diabetes, and skin cancer; and age.

Note

In this chapter, we will work exclusively with data on heart disease that’s available for public download at https://www.kaggle.com/datasets/kamilpytlak/personal-key-indicators-of-heart-disease. This dataset is derived from the United States Center for Disease Control data on more than 400,000 individuals from 2020. Data columns include whether respondents ever had heart disease, body mass index, ever smoked, heavy alcohol drinking, age, diabetes, and kidney disease. We will work with a 30,000 individual sample...

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