# cv: A filter function for the coefficient of variation.

## Description

`cv`

returns a function with values for `a`

and `b`

bound. This function takes a single argument. It computes the
coefficient of variation for the input vector and returns `TRUE`

if
the coefficient of variation is between `a`

and
`b`

. Otherwise it returns `FALSE`

## Usage

cv(a=1, b=Inf, na.rm=TRUE)

## Arguments

a

The lower bound for the cv.

b

The upper bound for the cv.

na.rm

If set to `TRUE`

any `NA`

's will be removed.

## Value

- It returns a function of one argument. The function has an environment
with bindings for
`a`

and `b`

.

## Details

The coefficient of variation is the standard deviation divided by the
absolute value of the mean.## Examples

set.seed(-3)
cvfun <- cv(1,10)
cvfun(rnorm(10,10))
cvfun(rnorm(10))