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e1071 (version 1.3-4)

skewness: Skewness

Description

Computes the skewness.

Usage

skewness(x, na.rm=FALSE)

Arguments

x
a numeric vector containing the values whose skewness is to be computed.
na.rm
a logical value indicating whether NA values should be stripped before the computation proceeds.

Value

  • The skewness of x.

Details

If $N = \mathrm{length}(x)$, then the skewness of $x$ is defined as $$N^{-1} \mathrm{sd}(x)^{-3} \sum_i (x_i - \mathrm{mean}(x))^3.$$

Examples

Run this code
x <- rnorm(100)
skewness(x)

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