{"push_id":933228989,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"2f5ef571c8da7da9329ce37a592d64072ab62479","before":"4604b80da3d20758116a411619dfa089f397fbe9","commits":[{"sha":"2f5ef571c8da7da9329ce37a592d64072ab62479","author":{"email":"2d715735eee3565c830f245e53ad7f43570a3205@gmail.com","name":"Jim Thorson"},"message":"added PCA and and 2.2 exercise","distinct":true,"url":"https://api.github.com/repos/James-Thorson/2016_class_CMR/commits/2f5ef571c8da7da9329ce37a592d64072ab62479"}]}