Supported by the following organizations
This is to certify that Vasilis Efstathiou 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 April 14, 2026
- Valid Certificate ID d22ef7d471974913a46af437f9808c6c