http://tags.library.upenn.edu/tag/statistics+states PennTags Feed http://tags.library.upenn.edu/makerecord/url/17362 http://tags.library.upenn.edu/makerecord/url/17362 Research and compare a multitude of different data on US states. Information comes from various sources such as the US Census Bureau, the FBI, and the National Center for Educational Statistics. StateMaster provides visualization technology like pie charts, maps, graphs and scatterplots.