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Mastering Predictive Analytics with Python

Mastering Predictive Analytics with Python

By : Joseph Babcock
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Mastering Predictive Analytics with Python

Mastering Predictive Analytics with Python

3 (2)
By: Joseph Babcock

Overview of this book

The volume, diversity, and speed of data available has never been greater. Powerful machine learning methods can unlock the value in this information by finding complex relationships and unanticipated trends. Using the Python programming language, analysts can use these sophisticated methods to build scalable analytic applications to deliver insights that are of tremendous value to their organizations. In Mastering Predictive Analytics with Python, you will learn the process of turning raw data into powerful insights. Through case studies and code examples using popular open-source Python libraries, this book illustrates the complete development process for analytic applications and how to quickly apply these methods to your own data to create robust and scalable prediction services. Covering a wide range of algorithms for classification, regression, clustering, as well as cutting-edge techniques such as deep learning, this book illustrates not only how these methods work, but how to implement them in practice. You will learn to choose the right approach for your problem and how to develop engaging visualizations to bring the insights of predictive modeling to life
Table of Contents (11 chapters)
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10
Index

Iterating on models through A/B testing


In the examples above and in the previous chapters of this volume, we have primarily examined analytical systems in terms of their predictive ability. However, these measures do not necessarily ultimately quantify the kinds of outcomes that are meaningful to the business, such as revenue and user engagement. In some cases, this shortcoming is overcome by converting the performance statistics of a model into other units that are more readily understood for a business application. For example, in our preceding churn model, we might multiply our prediction of 'cancel' or 'not-cancel' to generate a predicted dollar amount lost through subscriber cancellation.

In other scenarios, we are fundamentally unable to measure a business outcome using historical data. For example, in trying to optimize a search model, we can measure whether a user clicked a recommendation and whether they ended up purchasing anything after clicking. Through such retrospective analysis...

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