Data Mashups in R by Li, Xiao-Yi -- Read -- Imperial Library of Trantor

Index

Data Mashups in R SPECIAL OFFER: Upgrade this ebook with O’Reilly Introduction 1. Mapping Foreclosures

Messy Address Parsing

Exploring “streets” Obtaining Latitude and Longitude Using Yahoo

Shaking the XML Tree The Many Ways to Philly (Latitude)

Using Data Structures Using Helper Methods Using Internal Class Methods

Exceptional Circumstances

The Unmappable Fake Street No Connection

Taking Shape

Finding a Usable Map PBSmapping

Developing the Plot

Preparing to Add Points to Our Map Exploring R Data Structures: geoTable Making Events of Our Foreclosures

Turning Up the Heat

Factors When You Need Them Filling with Color Gradients

2. Statistics of Foreclosure

Importing Census Data Descriptive Statistics Descriptive Plots Correlation Final Thoughts

A. Getting Started

Obtaining R Quick and Dirty Essentials of R O’Reilly Resources

About the Authors SPECIAL OFFER: Upgrade this ebook with O’Reilly Copyright

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