Verified Certificate

Supported by the following organizations

This is to certify that Georgi Kostadinov 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

Rafael Irizarry

Professor of Biostatistics Harvard T.H. Chan School of Public Health