Supported by the following organizations
This is to certify that William O'Connor successfully completed and received a passing grade in PH525.1x: Statistics and R 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 December 22, 2025
- Valid Certificate ID 59542b6665f34ab1aa9e6b930b0febfe