JSM 2011 Online Program

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Activity Number: 215
Type: Invited
Date/Time: Monday, August 1, 2011 : 2:00 PM to 3:50 PM
Sponsor: Section on Statistical Graphics
Abstract - #300313
Title: Creating Interactive Geospatial Displays of Climate Data on Google Earth
Author(s): Deborah Nolan and Duncan Temple Lang*+
Companies: University of California and University of California
Address: Department of Statistics, Davis, CA, 95616,
Keywords: graphics ; Google Earth ; climate ; RKML ; computing ; information visualization
Abstract:

Virtual earth browsers such as Google Earth offer an alternative medium for presenting spatial-temporal data that breaks from traditional static plots and has the potential to transform geographical information visualization. The interface makes it easy for the user to interact with a visualization and to bring in additional auxiliary information, such as geographic features, political boundaries, and others' data. With its built-in controls to layer, annotate, and animate information, virtual-earth browsers present an exciting opportunity for reaching broad audiences. We describe how to use RKML, an R package, to create Google Earth displays of climate data. We present three models for creating these displays: one is analogous to the traditional approach used in R to add points to a data region; another extends the formula language syntax in R to encompass geo-spatial and temporal concepts; and the


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