[R] Diff btw percentile and quantile
dieter.menne at menne-biomed.de
Wed Mar 4 15:37:48 CET 2009
megh <megh700004 <at> yahoo.com> writes:
> To calculate Percentile for a set of observations Excel has percentile()
> function. R function quantile() does the same thing. Is there any
> significant difference btw percentile and quantile?
If you check the documentation of quantile, you will note that there are 9
variants of quantile which may give different values for small sample
sizes and many ties.
I found a German page that explains the algorithm Excel uses:
but I did not check if which of the R-variants this is equivalent to.
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