From: Alder Green <alder.green@...>
Date: 2006-06-05T15:31:23+09:00
Subject: Re: mode

On 6/5/06, Elliot Temple <curi@curi.us> wrote:
> I bet there's a more elegant way to write this. Anyone want to show me?
>
> def mode(li)
>    best_num = nil
>    best_count = -1
>    li.uniq.each do |item|
>      count = (li.select { |item2| item == item2}).length
>      if count > best_count
>        best_count = count
>        best_num = item
>      end
>    end
>    best_num
> end
>
>
> -- Elliot Temple
> http://www.curi.us/blog/
>
>
>
>
>

li.uniq.collect {|i| [li.select {|j| j == i}.size, i]}.sort.last.last

-- 
-Alder