triCube | R Documentation |
Computes the tricube weight function on a vector of distance values (d), based on a half-window width of h, and returns a vector of weights that range from zero to 1.
triCube(d, h)
d |
numeric vector of distances from the point of estimation to the given sample value |
h |
numeric value, the half-window width, measured in the same units as d |
See Cleveland, W. S. (1979). Robust locally weighted regression and smoothing scatterplots, JASA, 74, 829-836
w numeric vector of weights, all 0<=w<=1
h<-10
d<-c(-11,-10,-5,-1,-0.01,0,5,9.9,10,20)
triCube(d,h)
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