I've agreed to use the Interwrite PRS "clicker" (an RF input device that allows each student in a class to respond to questions) in a class next year. The version of the PRS software we're using stores its files in an undocumented (AFAIK) but fairly obvious format, a mixture of XML and CSV files. Is anyone else interested in working with this data from within R? I'd like to use it to have R drive the process; I don't think that's possible, but R should at least be able to read the results.

Duncan Murdoch

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