rms {seewave}

Root Mean Square

Description

This function computes the root mean square or quadratic mean.

Usage

rms(x, ...)

Arguments

x

an R object

...

further arguments passed to mean

Details

The Root Mean Square or quadratic mean is computed according to:

RMS = \sqrt{\frac{1}{n} \times \sum_{i=1}^{N} x{_i}{^2}}

Value

A numeric vector of length 1

Author(s)

Jerome Sueur [e-mail]

See Also

mean

Examples

# simple rms
rms(1:10)
# rms of a normalized envelope
data(sheep)
env <- env(sheep, f=8000)
rms(env)