ksmooth	ksmooth
loess	loess
loess.control	loess.control
loess.smooth	scatter.smooth
panel.smooth	scatter.smooth
plot.ppr	plot.ppr
ppr	ppr
predict.loess	predict.loess
predict.smooth.spline	predict.smooth.spline
rock	rock
scatter.smooth	scatter.smooth
smooth.spline	smooth.spline
supsmu	supsmu
