Book Image

Machine Learning Fundamentals

By : Hyatt Saleh
Book Image

Machine Learning Fundamentals

By: Hyatt Saleh

Overview of this book

As machine learning algorithms become popular, new tools that optimize these algorithms are also developed. Machine Learning Fundamentals explains you how to use the syntax of scikit-learn. You'll study the difference between supervised and unsupervised models, as well as the importance of choosing the appropriate algorithm for each dataset. You'll apply unsupervised clustering algorithms over real-world datasets, to discover patterns and profiles, and explore the process to solve an unsupervised machine learning problem. The focus of the book then shifts to supervised learning algorithms. You'll learn to implement different supervised algorithms and develop neural network structures using the scikit-learn package. You'll also learn how to perform coherent result analysis to improve the performance of the algorithm by tuning hyperparameters. By the end of this book, you will have gain all the skills required to start programming machine learning algorithms.

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Table of Contents (9 chapters)
Machine Learning Fundamentals
Machine Learning Fundamentals
Preface
Preface
Free Chapter
1
Introduction to Scikit-Learn
Introduction to Scikit-Learn
Introduction
Scikit-Learn
Data Representation
Data Preprocessing
Scikit-Learn API
Supervised and Unsupervised Learning
Summary
2
Unsupervised Learning: Real-Life Applications
Unsupervised Learning: Real-Life Applications
Introduction
Clustering
Exploring a Dataset: Wholesale Customers Dataset
Data Visualization
k-means Algorithm
Mean-Shift Algorithm
DBSCAN Algorithm
Evaluating the Performance of Clusters
Summary
3
Supervised Learning: Key Steps
Supervised Learning: Key Steps
Introduction
Model Validation and Testing
Evaluation Metrics
Error Analysis
Summary
4
Supervised Learning Algorithms: Predict Annual Income
Supervised Learning Algorithms: Predict Annual Income
Introduction
Exploring the Dataset
Naïve Bayes Algorithm
Decision Tree Algorithm
Support Vector Machine Algorithm
Error Analysis
Summary
5
Artificial Neural Networks: Predict Annual Income
Artificial Neural Networks: Predict Annual Income
Introduction
Artificial Neural Networks
Applying an Artificial Neural Network
Performance Analysis
Summary
6
Building Your Own Program
Building Your Own Program
Introduction
Program Definition
Saving and Loading a Trained Model
Interacting with a Trained Model
Summary
Appendix
Appendix
Chapter 1: Introduction to scikit-learn
Chapter 2: Unsupervised Learning: Real-life Applications
Chapter 3: Supervised Learning: Key Steps
Chapter 4: Supervised Learning Algorithms: Predict Annual Income
Chapter 5: Artificial Neural Networks: Predict Annual Income
Chapter 6: Building Your Own Program

Introduction

In recent years, the field of artificial intelligence has focused on the concept of artificial neural networks (ANNs), also known as Multilayer Perceptron, mostly because they present a complex algorithm that can approach almost any challenging data problem. Even though the theory was developed decades back, during the 1940s, the networks are becoming more popular now, thanks to all the improvements in technology that allow for the gathering of large amounts of data as well as the developments in computer infrastructure that allow for the training of complex algorithms with large amounts of data.

Due to this, the following chapter will focus on introducing ANNs, their different types, and the advantages and disadvantages that they present. Additionally, an ANN will be used to solve the same data problem that was discussed in the previous chapter in order to present the differences in the performance of ANN in comparison to the other supervised learning algorithms.

Previous Section
End of Section 2
Next Section