On Sat, Dec 07, 2002 at 07:12:09PM -0500, Stephen wrote:
>
> Another math question... How would I find the mode (number that repeats most
> often) of an array? Then, if there isn't a number that repeats most often,
> tell the user that.

A while back, I wrote functions for mean, median and mode.  I've put
them up at http://www.it.ca/software/statsmmm.php .  I don't much like
the mode function -- it seems awkward, but I couldn't figure out how to
write it any smaller.

Also included is a function that calculates the 95th percentile of
values in an array, roughly the same way the median() function works ...
but I don't recommend using this for bandwidth calculations for co-lo
customers because of the hassle of pulling all that data into an array.
95th percentile is more easily calculated in the SQL server than in php.

-- 
  Paul Chvostek                                             <[EMAIL PROTECTED]>
  Operations / Abuse / Whatever                          +1 416 598-0000
  it.canada - hosting and development                  http://www.it.ca/


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