Thanks, but I'm having some trouble. I try to print the mode but there is no
value. Here's the code:
while( list( , $Value ) = each($_POST['nums'])) {
$NumberHits[$Value]++;
}
array_multisort($NumberHists, SORT_DESC);
$mode = $NumberHits[0];
echo $mode;
----- Original Message -----
From: "Rick Widmer" <[EMAIL PROTECTED]>
To: "Stephen" <[EMAIL PROTECTED]>; "PHP List"
<[EMAIL PROTECTED]>
Sent: Saturday, December 07, 2002 9:14 PM
Subject: Re: [PHP] Finding Mode
> At 07:12 PM 12/7/02 -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.
>
>
> For each entry in the array, count the number of times a value occurs:
>
>
> while( list( , $Value ) = each( $MyArray )) {
> $NumberHits[ $Value ] ++;
> }
>
> sort $NumberHits keeping the key/value pairs together. You can find a
sort
> function that will do it here:
>
> http://www.php.net/manual/en/ref.array.php
>
>
> The first or last entry in the sorted array is the mode. If all the
> entries have the same number of hits there is no mode. I'm not sure what
> the mode of (1, 1, 2, 5, 9, 19, 19) would be, but I'm suspect a good
> definition of mode will tell what to do if more than one value ties for
> having the most hits.
>
> Rick
>
>
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