• Building Machine Learning Systems with Python

Master the art of machine learning with Python and build effective machine learning systems with this intensive hands-on guide.

Expand your Python knowledge and learn all about machine-learning libraries in this user-friendly manual. ML is the next big breakthrough in technology and this book will give you the head-start you need.

What this book covers

Chapter 1, Getting Started with Python Machine Learning, introduces the basic idea of machine learning with a very simple example. Despite its simplicity, it will challenge us with the risk of overfitting.

Chapter 2, Learning How to Classify with Real-world Examples, explains the use of real data to learn about classification, whereby we train a computer to be able to distinguish between different classes of flowers.

Chapter 3, Clustering – Finding Related Posts, explains how powerful the bag-of-words approach is when we apply it to finding similar posts without really understanding them.

Chapter 4, Topic Modeling, takes us beyond assigning each post to a single cluster and shows us how assigning them to several topics as real text can deal with multiple topics.

Chapter 5, Classification – Detecting Poor Answers, explains how to use logistic regression to find whether a user's answer to a question is good or bad. Behind the scenes, we will learn how to use the bias-variance trade-off to debug machine learning models.

Chapter 6, Classification II – Sentiment Analysis, introduces how Naive Bayes works, and how to use it to classify tweets in order to see whether they are positive or negative.

Chapter 7, Regression – Recommendations, discusses a classical topic in handling data, but it is still relevant today. We will use it to build recommendation systems, a system that can take user input about the likes and dislikes to recommend new products.

Chapter 8, Regression – Recommendations Improved, improves our recommendations by using multiple methods at once. We will also see how to build recommendations just from shopping data without the need of rating data (which users do not always provide).

Chapter 9, Classification III – Music Genre Classification, illustrates how if someone has scrambled our huge music collection, then our only hope to create an order is to let a machine learner classify our songs. It will turn out that it is sometimes better to trust someone else's expertise than creating features ourselves.

Chapter 10, Computer Vision – Pattern Recognition, explains how to apply classifications in the specific context of handling images, a field known as pattern recognition.

Chapter 11, Dimensionality Reduction, teaches us what other methods exist that can help us in downsizing data so that it is chewable by our machine learning algorithms.

Chapter 12, Big(ger) Data, explains how data sizes keep getting bigger, and how this often becomes a problem for the analysis. In this chapter, we explore some approaches to deal with larger data by taking advantage of multiple core or computing clusters. We also have an introduction to using cloud computing (using Amazon's Web Services as our cloud provider).

Appendix, Where to Learn More about Machine Learning, covers a list of wonderful resources available for machine learning.

Authores: Willi Richert and Luis Pedro Coelho

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Building Machine Learning Systems with Python

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