How to make a rough check to see if your data is normally distributed part 2 (R). Full article at: http://www.firsttimeprogrammer.blogspot.com/2015/07/how-to-make-rough-check-to-see-if-your.html

normal_data_2.R

# Skewness
library(moments)

print("Skewness:")
print("Normal")
skewness(data_norm)
print("Beta")
skewness(data_beta)
                    # < 0 skewed left (left tail)
                    # > 0 skewed right (right tail)
                    # = 0 normal

###############################################################
# Results
# > print("Skewness:")
# [1] "Skewness:"
# > print("Normal")
# [1] "Normal"
# > skewness(data_norm)
# [1] 0.08684767
# > print("Beta")
# [1] "Beta"
# > skewness(data_beta)
# [1] 1.091723
# >                     # < 0 skewed left (left tail)
# >                     # > 0 skewed right (right tail)
# >                     # = 0 normal