简介:Inordertoavoidthediscussionofequation(1.1),thispaperemploystheproofmethodofLiang(2012)toconsiderthere-weightedNadaraya-Watsonestimationofconditionaldensity.TheestablishedresultsgeneralizethoseofDeGooijerandZerom(2003).Inaddition,thispaperimprovesthebandwidthconditionofLiang(2012).