cv: A filter function for the coefficient of variation.

Description Usage Arguments Details Value Author(s) See Also Examples

View source: R/all.R

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

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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.

Details

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

Value

It returns a function of one argument. The function has an environment with bindings for a and b.

Author(s)

R. Gentleman

See Also

pOverA, kOverA

Examples

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

Example output

[1] FALSE
[1] FALSE

genefilter documentation built on Oct. 31, 2019, 3:15 a.m.