type
select one of the univariate normality tests: SW
: Shapiro-Wilk, CVM
: Cramer-von Mises, Lillie
: Lilliefors (Kolmogorov-Smirnov), SF
: Shapiro-Francia, AD
: Anderson-Darling
desc
if TRUE
, it displays descriptive statistics including mean, standard deviation, median, minimum, maximum, 25th and 75th percentiles, skewness and kurtosis.