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What Data Visualization Can and Can't Tell Us About Pennsylvania's Voter ID Law

BY Sarah Lai Stirland | Tuesday, August 7 2012

A spot analysis of some 868,648 records of active voters in the city of Philadelphia suggests that Pennsylvania's new voter identification law may have a disproportionate affect on minorities and students. But the analysis, performed by Philadelphia-based software company Azavea and limited in scope only to the company's home city, raises eyebrows as much because of what it says about the lack of access researchers have to quality data on voters as it does about who might be affected by new law. Read More