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R Machine Learning By Example

You're reading from  R Machine Learning By Example

Product type Book
Published in Mar 2016
Publisher
ISBN-13 9781784390846
Pages 340 pages
Edition 1st Edition
Languages
Author (1):
Raghav Bali Raghav Bali

Table of Contents (15) Chapters

R Machine Learning By Example
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Preface
Getting Started with R and Machine Learning Let's Help Machines Learn Predicting Customer Shopping Trends with Market Basket Analysis Building a Product Recommendation System Credit Risk Detection and Prediction – Descriptive Analytics Credit Risk Detection and Prediction – Predictive Analytics Social Media Analysis – Analyzing Twitter Data Sentiment Analysis of Twitter Data Index

Summary


Social network analysis is one the trending topics in the world of data science. As we have seen throughout the chapter, these platforms not only provide us with ways to connect but they also present a unique opportunity to study human dynamics at a global scale. Through this chapter, we have learned some interesting techniques. We started off by understanding data mining in the social network context followed by the importance of visualizations. We focused on Twitter and understood different objects and APIs to manipulate them. We used various packages from R, such as TwitteR and TM, to connect, collect, and manipulate data for our analysis. We used data from Twitter to learn about frequency throughout. Finally, we presented some of the challenges posed by social networks words and associations, popular devices used by tweeple, hierarchical clustering and even touched upon topic modeling. We used ggplot2 and wordcloud to visualize our results to the data mining process in general...

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