Supported by the following organizations
This is to certify that Julia Hersum 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
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- Verified Certificate Issued November 20, 2025
- Valid Certificate ID a1da33a076ee4394a18430585bd1f584