kurtosis {e1071}R Documentation

Kurtosis

Description

Computes the kurtosis.

Usage

kurtosis(x, na.rm=FALSE)

Arguments

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

Details

If N = length(x), then the kurtosis of x is defined as

N^(-1) sd(x)^(-4) sum_i (x_i - mean(x))^4 - 3.

Value

The kurtosis of x.

Examples

x <- rnorm(100)
kurtosis(x)

[Package e1071 version 1.5-2 Index]