I am surprised to get different results for skewness and kurtosis from different application or library. Take for example, with moments library package in R we have the following result:

skewness: -0.1450712

Kurtosis: 1.464111

with library e1071 in R

skewness: -0.123864

kurtosis: -1.81407

With excel and SAS, I obtain the same result as:

skewness: -0.1720333

kurtosis: -1.7509470

I think going for the last result is better. The same result from two different applications. What do you think?

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