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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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Index

Case Study: Training a Recommender System in PySpark


To close this chapter, let us look at an example of how we might generate a large-scale recommendation system using dimensionality reduction. The dataset we will work with comes from a set of user transactions from an online store (Chen, Daqing, Sai Laing Sain, and Kun Guo. Data mining for the online retail industry: A case study of RFM model-based customer segmentation using data mining. Journal of Database Marketing & Customer Strategy Management 19.3 (2012): 197-208). In this model, we will input a matrix in which the rows are users and the columns represent items in the catalog of an e-commerce site. Items purchased by a user are indicated by a 1. Our goal is to factorize this matrix into 1 x k user factors (row components) and k x 1 item factors (column components) using k components. Then, presented with a new user and their purchase history, we can predict what items they are like to buy in the future, and thus what we might...

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