Mark A Jack has successfully completed the online Coursera course "Getting and Cleaning Data" through Johns Hopkins University with distinction. The certificate verifies Mark's identity and participation in the 4 week course taught by Jeff Leek, Roger Peng, and Brian Caffo of the Department of Biostatistics at Johns Hopkins Bloomberg School of Public Health, though it does not confer academic credit or official university status.

1. JUNE 04, 2015
Mark A Jack
Getting and Cleaning Data
a 4 week online non-credit course authorized by Johns Hopkins University and offered through
Coursera
has successfully completed with distinction
Jeff Leek, PhD; Roger Peng, PhD; Brian Caffo, PhD
Department of Biostatistics
Johns Hopkins Bloomberg School of Public Health
Verify at coursera.org/verify/GQC6A23S5R
Coursera has confirmed the identity of this individual and
their participation in the course.
This certificate does not confer academic credit toward a degree or official status at the Johns Hopkins University.