Description Usage Arguments Value
A supporting function that return the local polynomial regression quantile. This estimates the quantile and its derivative at the point x.0
1 | lprq0(x, y, h, tau = 0.5, x0)
|
x |
covariate sequence; |
y |
response sequence; |
h |
bandwidth(scalar); |
tau |
- left-tail probability |
x0 |
point at which the quantile is estimated |
x0 a scalar
fv quantile est; dv - quantile derivative est
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