john qin@johnqinFollow BadgesProblem SolvingDays of CodeDays ofStatistics Certificationsjohnqin has not earned any certificates yet. Work Experiencejohnqin has not updated employment details yet.EducationUniversity of ConnecticutLinksLinkedinhttps://www.linkedin.com/in/yanyuan-qin-6ab31393 Skillsjohnqin has not updated skills details yet.