TY - JOUR A1 - Ruppert, D. A1 - Sheather, S. J. A1 - Wand, M. P. T1 - An effective bandwidth selector for local least squares regression Y1 - 1995 DO - 10.2307/2291516 JF - Journal of the American Statistical Association VL - 90 SP - 1257 EP - -1270 ER -