Supported by the following organizations
This is to certify that Adrian Fiechtner successfully completed and received a passing grade in PH125.2x: Data Science: Visualization 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 May 29, 2026
- Valid Certificate ID 4a7723b067c34b618058e094ac9c50d1