knots {locfit}  R Documentation 
Extracts information, such as fitted values, influence functions
from a "locfit"
object.
knots(x, tr, what, delete.pv, ...)
x 
Fitted object from locfit() .

tr 
Back transformation. Default is the invers link function from the Locfit object. 
what 
What to return; default is c("x","coef","h","nlx") .
Allowed fields are x (fit points); coef (fitted values);
f1 (local slope); nlx (length of the weight diagram);
nlx1 (estimated derivative of nlx ); se (standard errors);
infl (influence function); infla (slope of influence function);
lik (maximixed local loglikelihood and local degrees of freedom);
h (bandwidth) and deg (degree of fit).

delete.pv 
If T , pseudovertices are deleted. 
... 
not used. 
A matrix with one row for each fit point. Columns correspond to
the specified what
vector; some fields contribute multiple columns.