Description Usage Arguments Value Author(s)
This computes a matrix of coefficients of the first derivatives of monotonic local linear sharpening problem.
1 | MonoMat(xgrid, x, h, d)
|
xgrid |
numeric vector of locations where monotonicity constraint is to be enforced |
x |
numeric explanatory vector |
h |
numeric bandwidth |
d |
local polynomial degree, can be either 0 or 1 |
a list containing the A matrix and the number of rows in A.
W.J. Braun
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