Supported by the following organizations
This is to certify that SIAO HAN CHEN 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 November 4, 2026
- Valid Certificate ID 0adf9967f5e746e4a28ebd7984f23ea9