Python Machine Learning

Front Cover
Packt Publishing Ltd, Sep 23, 2015 - Computers - 454 pages

Unlock deeper insights into Machine Leaning with this vital guide to cutting-edge predictive analytics

About This BookLeverage Python's most powerful open-source libraries for deep learning, data wrangling, and data visualizationLearn effective strategies and best practices to improve and optimize machine learning systems and algorithmsAsk – and answer – tough questions of your data with robust statistical models, built for a range of datasetsWho This Book Is For

If you want to find out how to use Python to start answering critical questions of your data, pick up Python Machine Learning – whether you want to get started from scratch or want to extend your data science knowledge, this is an essential and unmissable resource.

What You Will LearnExplore how to use different machine learning models to ask different questions of your dataLearn how to build neural networks using Keras and TheanoFind out how to write clean and elegant Python code that will optimize the strength of your algorithmsDiscover how to embed your machine learning model in a web application for increased accessibilityPredict continuous target outcomes using regression analysisUncover hidden patterns and structures in data with clusteringOrganize data using effective pre-processing techniquesGet to grips with sentiment analysis to delve deeper into textual and social media dataIn Detail

Machine learning and predictive analytics are transforming the way businesses and other organizations operate. Being able to understand trends and patterns in complex data is critical to success, becoming one of the key strategies for unlocking growth in a challenging contemporary marketplace. Python can help you deliver key insights into your data – its unique capabilities as a language let you build sophisticated algorithms and statistical models that can reveal new perspectives and answer key questions that are vital for success.

Python Machine Learning gives you access to the world of predictive analytics and demonstrates why Python is one of the world's leading data science languages. If you want to ask better questions of data, or need to improve and extend the capabilities of your machine learning systems, this practical data science book is invaluable. Covering a wide range of powerful Python libraries, including scikit-learn, Theano, and Keras, and featuring guidance and tips on everything from sentiment analysis to neural networks, you'll soon be able to answer some of the most important questions facing you and your organization.

Style and approach

Python Machine Learning connects the fundamental theoretical principles behind machine learning to their practical application in a way that focuses you on asking and answering the right questions. It walks you through the key elements of Python and its powerful machine learning libraries, while demonstrating how to get to grips with a range of statistical models.

 

Contents

Giving Computers the Ability to Learn from Data
1
Training Machine Learning Algorithms for Classification
17
A Tour of Machine Learning Classifiers Using ScikitLearn
49
Building Good Training Sets Data Preprocessing
99
Compressing Data via Dimensionality Reduction
127
Learning Best Practices for Model Evaluation and Hyperparameter Tuning
169
Combining Different Models for Ensemble Learning
199
Applying Machine Learning to Sentiment Analysis
233
Embedding a Machine Learning Model into a Web Application
251
Predicting Continuous Target Variables with Regression Analysis
277
Working with Unlabeled Data Clustering Analysis
311
Training Artificial Neural Networks for Image Recognition
341
Parallelizing Neural Network Training with Theano
387
Index
417
Copyright

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About the author (2015)

Sebastian Raschka is an Assistant Professor of Statistics at the University of Wisconsin-Madison focusing on machine learning and deep learning research. As Lead AI Educator at Grid AI, Sebastian plans to continue following his passion for helping people get into machine learning and artificial intelligence.