Re: how to "Harmonic Mean" manual

i know it can make simple function, if have Statistics knowledge... reference: http://en.wikipedia.org/wiki/Harmonic_Mean "Jochem Maas" <jochem@iamjochem.com> ???????:47628FED.3080701@iamjochem.com... > 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. > >>