Yaqiong took a post-doc position at Columbia University. Her research interests included optimal subsampling for big data, statistical computing and statistical learning. She worked as a research assistant at the UConn Health Center on the Connecticut All-Payer Claims Databases with R to help assess the health care performances of different organizations. She was a teaching assistant for both introductory and advanced statistical courses. She taught the "Web Scraping for Sports Data with R" workshop in 2020.

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