PingoUPB/ruby-standard-deviation
A native extension for Ruby to handle standard deviation for Arrays
Our first "code school" welcome project: A small mobile enabled panel survey tool.
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A native extension for Ruby to handle standard deviation for Arrays
Landing page for the PINGO project.
Ruby parser for Moodle's GIFT question import format.
source code of the PINGO web app - (see readme, wiki and http://blogs.upb.de/pingo/opensource/ for more info)