Measures of Shape - Kurtosis

Measures of shape to give a detailed evaluation of data. Explains the amount and direction of skew. Kurotsis explains how tall and sharp the central peak is. Skewness has no units: but a number, like a z score

ExpKurtosis(x, type)

Arguments

x	A numeric object or data.frame
type	a character which specifies the method of computation. Options are "moment" or "excess"

Value

ExpKurtosis returns Kurtosis values

Author

dubrangala

Examples

ExpKurtosis(mtcars$hp,type="excess")
#> [1] 0.052
ExpKurtosis(mtcars$carb,type="moment")
#> [1] 4.536
ExpKurtosis(mtcars,type="excess")
#>        mpg  disp    hp   drat    wt  qsec  carb
#> exc -0.201 -1.09 0.052 -0.565 0.172 0.554 1.536