i testing ~ it's correct
Thank You Very Much !!
""Richard Lynch"" <[EMAIL PROTECTED]>
???????:[EMAIL PROTECTED]
> If I am reading Wikipeadia correctly, you want this:
>
> <?php
> function stats_harmonic_mean($array){
> $count = count($array);
> $mean = 0;
> foreach($array as $n){
> $mean += 1/$n;
> }
> $mean = $count / $mean;
> return $mean;
> }
> ?>
>
> No guarantees as to correctness.
>
> The *real* function probably takes a variable number of arguments, and
> you can do that if you need to, but you're on your own for that.
>
> On Fri, December 14, 2007 8:38 am, LKSunny wrote:
>> i know it can make simple function, if have Statistics knowledge...
>>
>> reference:
>> http://en.wikipedia.org/wiki/Harmonic_Mean
>>
>> "Jochem Maas" <[EMAIL PROTECTED]>
>> ???????:[EMAIL PROTECTED]
>>> LKSunny wrote:
>>>> i know stats_harmonic_mean(), but i am not server admin, i can't
>>>> install
>>>> PECL, so i need make it by manual, but i have't Statistics
>>>> knowledge, any
>>>> one can help me ? thank you very much !!
>>>
>>> I doubt anyone is going to write a php version of that function for
>>> you.
>>>
>>> given that you are not the server admin then someone else must be,
>>> go to
>>> that person and ask them to run the relevant pecl command:
>>>
>>> pecl install stats
>>>
>>> if they won't get another hoster. regardless you can still develop
>>> with
>>> that extension
>>> on your local machine.
>>>
>>> If you really need such a function/extension then you should be
>>> able to convince the client that it's less effort to find suitable
>>> hosting
>>> than it
>>> is to waste time reinventing a, potentially complex, wheel.
>>>
>>>>
>>
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>>
>>
>
>
> --
> Some people have a "gift" link here.
> Know what I want?
> I want you to buy a CD from some indie artist.
> http://cdbaby.com/from/lynch
> Yeah, I get a buck. So?
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