"locfit"
object.knots(x, tr, what, delete.pv, ...)
locfit()
.c("x","coef","h","nlx")
.
Allowed fields are x
(fit points); coef
(fitted values);
f1
(local slope); nlx
(length of the weight diagram);
nlx1
(estimateT
, pseudo-vertices are deleted.what
vector; some fields contribute multiple columns.