From: Christian Neukirchen <chneukirchen@...>
Date: 2005-11-12T23:07:09+09:00
Subject: Re: I rea......lly need your help ( C++ )

nobu.nokada@softhome.net writes:

> Hi,
>
> At Sat, 12 Nov 2005 13:52:15 +0900,
> ashmangat@yahoo.com wrote in [ruby-talk:165395]:
>> Calculate and display the average, median, and mode of the values
>> entered.
>
> students = []
> ARGF.each do |line|
>   /^\d+$/ =~ line or break
>   students << line.to_i
> end
> mode, = students.inject(Hash.new(0)) {|h, s| h[s] += 1; h}.max_by {|s, n| n}
> avrg = students.inject(0) {|a, s| a + s}.to_f / students.size
> require 'pp'
> print "The array is: "
> pp students
> puts "The Mode is #{mode}."
> puts "The average is #{avrg}."

This was exactly the kind of response I wanted to write, but you were
faster. :-P

Let's add the median (untested, beware):

  students.sort[students.size/2]

> Nobu Nakada
-- 
Christian Neukirchen  <chneukirchen@gmail.com>  http://chneukirchen.org