Re: [R] skewness and kurtosis in e1071 correct?

From: Dirk Enzmann <dirk.enzmann_at_jura.uni-hamburg.de>
Date: Wed 25 May 2005 - 01:50:53 EST

My last question to the R list is another example of asking too fast before reading (sorry). But by the way and because it might be interesting for others, an answer can be found in:

Joanes, D. N. & Gill, C. A. (1998) Comparing measures of sample skewness and kurtosis. Journal of the Royal Statistical Society (Series D): The Statistician 47 (1), 183189.

The measures discussed in this article are:

g1 : skewness as defined in formula (3) of my mail (and in STATA) G1 : skewness as defined in formula (5) of my mail (and in SAS, SPSS, and EXCEL)
b1 : skewness as defined in the package e1071 (and in MINITAB and BMDP)

g2 : kurtosis as defined in formula (4) of my mail (and in STATA) G2 : kurtosis as defined in formula (6) of my mail (and in SAS, SPSS, and EXCEL)
b2 : kurtosis as defined in the package e1071 (and in MINITAB and BMDP)


Off topic: I don't know why the thread of these mails are not included in the correct thread.

Dirk

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Dr. Dirk Enzmann
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Received on Wed May 25 01:56:10 2005

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