moment

0th

Percentile

Statistical Moment

Computes the (optionally centered and/or absolute) sample moment of a certain order.

Keywords
univar
Usage
moment(x, order=1, center=FALSE, absolute=FALSE, na.rm=FALSE)
Arguments
x

a numeric vector containing the values whose moment is to be computed.

order

order of the moment to be computed, the default is to compute the first moment, i.e., the mean.

center

a logical value indicating whether centered moments are to be computed.

absolute

a logical value indicating whether absolute moments are to be computed.

na.rm

a logical value indicating whether NA values should be stripped before the computation proceeds.

Details

When center and absolute are both FALSE, the moment is simply sum(x ^ order) / length(x).

See Also

mean, var

Aliases
  • moment
Examples
# NOT RUN {
x <- rnorm(100)

## Compute the mean
moment(x)
## Compute the 2nd centered moment (!= var)
moment(x, order=2, center=TRUE)

## Compute the 3rd absolute centered moment
moment(x, order=3, center=TRUE, absolute=TRUE)
# }
Documentation reproduced from package e1071, version 1.7-3, License: GPL-2 | GPL-3

Community examples

techprav2011@gmail.com at Jun 30, 2017 e1071 v1.6-8

```r library(e1071) #3rd moment moment(faithful$eruptions, order=3, center=T) #1rd moment moment(faithful$eruptions, order=1, center=FALSE, absolute=FALSE, na.rm=FALSE) ```