# var_K

From FKSUM v0.1.0
by David Hofmeyr

##### Variance of a kernel

Computes the variance of the random variable whose density is given by a kernel implemented in FKSUM, with coefficients beta. NB: coefficients will first be normalised so that the kernel is a density function.

- Keywords
- file

##### Usage

`var_K(beta)`

##### Arguments

- beta
positive numeric vector of kernel coefficients.

##### Value

A positive numeric value representing the variance of the random variable with density given by the kernel.

*Documentation reproduced from package FKSUM, version 0.1.0, License: GPL*

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