Biweight.kernel {extremefit} | R Documentation |

## Biweight kernel function

### Description

Biweight kernel function.

### Usage

Biweight.kernel(x)

### Arguments

### Details

Biweight kernel:

*
K(x) = 15/16 ( 1 - x^2 )^2 (abs(x)<=1)
*

We recommend a critical value of 7 for this kernel function.

### Examples

plot(function(x) Biweight.kernel(x),-2, 2,
main = " Biweight kernel ")

[Package

*extremefit* version 1.0.2

Index]