LangWUisProfessorofStatisticsattheUniversityofBritishColumbiainVancouver, Canada. Hisresearchinterestincludestheanalysisoflongitudinaldata(orpaneldata)andsurvivaldatawhentherearemissingvalues, censoredvalues, measurementerrors, andoutliers.
JinQIUisProfessorofSchoolofDataSciencesatZhejiangUniversityofFinanceandEconomicsinHangzhou, China. Hermainfocusisonmultivariatedata, longitudinaldata(orpaneldata), functionaldata, andspatialdata.