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COURSE
CERTIFICATE
10/06/2016
William Arthur Roy
The Data Scientist’s Toolbox
an online non-credit course authorized by Johns Hopkins University and offered
through Coursera
has successfully completed
Jeff Leek, PhD; Roger Peng, PhD; Brian Caffo, PhD
Department of Biostatistics
Johns Hopkins Bloomberg School of Public Health
Verify at coursera.org/verify/EEULH4H2LS9X
Coursera has confirmed the identity of this individual and
their participation in the course.