Kurtosis

Calculates kurtosis coefficient for given variable (see is.variable), matrix or a data.frame.

kurtosis(x, na.rm = TRUE)

Arguments

x

a variable, matrix or a data.frame

na.rm

should NAs be removed before computation?

References

Tenjovic, L. (2000). Statistika u psihologiji - prirucnik. Centar za primenjenu psihologiju.

Examples

set.seed(0)
x <- rnorm(100)
kurtosis(x)
#> [1] -0.09891205
kurtosis(matrix(x, 10))
#>  [1] -1.2974293 -1.4755459 -0.8387609 -1.8936580 -1.5592905 -0.1679566
#>  [7] -1.1179698 -0.9891986 -1.8902448 -1.5012209
kurtosis(mtcars)
#>         mpg         cyl        disp          hp        drat          wt 
#> -0.37276603 -1.76211977 -1.20721195 -0.13555112 -0.71470062 -0.02271075 
#>        qsec          vs          am        gear        carb 
#>  0.33511422 -2.00193762 -1.92474143 -1.06975068  1.25704307 
rm(x)