qrnn (version 2.0.1)

tilted.approx.prime: Derivative of the approximate tilted absolute value function

Description

Derivative of the approximate to tilted absolute value function.

Usage

tilted.approx.prime(x, tau, eps)

Arguments

x

numeric vector.

tau

desired tau-quantile.

eps

epsilon value used in the approximation.

See Also

tilted.approx, tilted.abs, huber

Examples

# NOT RUN {
x <- seq(-2, 2, length=200)
plot(x, tilted.approx.prime(x, tau=0.75, eps=1))
# }