From: Harry Kakueki <list.push@...>
Date: 2010-09-09T20:48:44+09:00
Subject: Re: Key Associated w/ Maximum Value in Hash

On Thu, Sep 9, 2010 at 11:57 AM, Timothy Baron <timothy.baron@gmail.com> wrote:
> Simple question:  what's the cleanest way to retrieve a key associated
> with the maximum value of a hash.  For instance, how do I retrieve 'b'
> from the following example:
>
> hash = Hash.new
> hash['a']=4
> hash['b']=10
> hash['c']=7
> --

What if you have more than one max?

h = {'a'=>4,'b'=>10,'c'=>7,'d' => 10}

p h.select{|x,i| i==h.values.max}.keys  #> ["b", "d"]


Harry