Supported by the following organizations
This is to certify that Johnny Barnhart successfully completed and received a passing grade in PH125.1x: Data Science: R Basics a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
Rafael Irizarry
Professor of Biostatistics Harvard T.H. Chan School of Public Health
-
- Verified Certificate Issued October 9, 2026
- Valid Certificate ID 3045b76e4ea74b72af99a84bfa95d5dc