PCPatrick ChangFollowUsage metrics Co-workers & collaboratorsTGTim GebbieAssociate Professor - Cape Town, South AfricaTim GebbieEPEtienne PienaarStatistician, Academic - South AfricaEtienne PienaarRBRoger BukuruRoger BukuruIJIvan JericevichStudent - Cape Town, South AfricaIvan JericevichAPAveshen PillayAveshen Pillay