- I post to sci.stat.consult,sci.stat.math,sci.stat.edu
where versions of the question appeared, posted separately.
On 7 Nov 2000 03:18:28 GMT, Elliot Cramer <[EMAIL PROTECTED]>
wrote:
> Harper Shull <[EMAIL PROTECTED]> wrote:
> : Does anyone have an algorithm (computer code) for calculating percentiles.
>
> look in almost any elementary psych stat book
I thought it should be in any book, but
I looked in several books on my shelf, and
only one had even 1 formula.
Going beyond most elementary presentations, the SPSS
Rank-procedure gives you a choice of four different standard formulas.
Assuming you can read files in .pdf-format, try the algorithms page --
http://www.spss.com/tech/stat/algorithms/rank.pdf
That lists 4 terse references; the newest is Chambers et al (1983).
Assuming it is a book and not an article, that is probably: John M
Chambers with Kleiner and Tukey, "Graphical Methods for Data
Analysis."
--
Rich Ulrich, [EMAIL PROTECTED]
http://www.pitt.edu/~wpilib/index.html
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