Sizhe Liu@sliu135Ph.D. candidate at the University of Illinois at Urbana-ChampaignUnited StatesFollow BadgesProblem SolvingDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencesliu135 has not updated employment details yet.Educationsliu135 has not updated education details yet.