bisquare: Bisquare weight function and its derivatives

Description Usage Arguments

View source: R/rfpe.R

Description

Bisquare weight function and its derivatives

Usage

1
bisquare(x, c = 3.443689, d = 0)

Arguments

x

Scaled residuals from a linear model.

c

The tuning constant to the bisquare function.

d

The order of derivative of the bisquare function required. Defaulgs to d=0, the other allowed values being 1 and 2.


harrysouthworth/margarita documentation built on Aug. 19, 2021, 5 a.m.