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Hands-On Gradient Boosting with XGBoost and scikit-learn

You're reading from  Hands-On Gradient Boosting with XGBoost and scikit-learn

Product type Book
Published in Oct 2020
Publisher Packt
ISBN-13 9781839218354
Pages 310 pages
Edition 1st Edition
Languages
Author (1):
Corey Wade Corey Wade
Profile icon Corey Wade
Toc

Table of Contents (15) Chapters close

Preface 1. Section 1: Bagging and Boosting
2. Chapter 1: Machine Learning Landscape 3. Chapter 2: Decision Trees in Depth 4. Chapter 3: Bagging with Random Forests 5. Chapter 4: From Gradient Boosting to XGBoost 6. Section 2: XGBoost
7. Chapter 5: XGBoost Unveiled 8. Chapter 6: XGBoost Hyperparameters 9. Chapter 7: Discovering Exoplanets with XGBoost 10. Section 3: Advanced XGBoost
11. Chapter 8: XGBoost Alternative Base Learners 12. Chapter 9: XGBoost Kaggle Masters 13. Chapter 10: XGBoost Model Deployment 14. Other Books You May Enjoy

Predicting heart disease – a case study

You have been asked by a hospital to use machine learning to predict heart disease. Your job is to develop a model and highlight two to three important features that doctors and nurses can focus on to improve patient health.

You decide to use a decision tree classifier with fine-tuned hyperparameters. After the model has been built, you will interpret results using feature_importances_, an attribute that determines the most important features in predicting heart disease.

Heart Disease dataset

The Heart Disease dataset has been uploaded to GitHub as heart_disease.csv. This is a slight modification to the original Heart Disease dataset (https://archive.ics.uci.edu/ml/datasets/Heart+Disease) provided by the UCI Machine Learning Repository (https://archive.ics.uci.edu/ml/index.php) with null values cleaned up for your convenience.

Upload the file and display the first five rows as follows:

df_heart ...
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