Calculate skewness
Examples
s <- rnorm(30,1,1.4)
skewness(s)
#> [1] -0.09229649
air_data <- datasets::airquality
mapply(skewness,air_data)
#> Ozone Solar.R Wind Temp Month Day
#> NA NA 0.341027535 -0.370507250 -0.002344810 0.002600083