frequency analysis first char

freq_analysis_first.rb

  def freq_analysis_first(msg)
    f_freq,msg_arr,sum = Hash.new(0),msg.split(' '),0
    msg_arr.each {|i| i.split('').each_with_index do |a,b| 
      f_freq[a], sum = f_freq[a] + 1, sum +1 if b == 0
    end}
    return f_freq.each {|a,b| f_freq[a] = calc_perc(b,sum)}.sort_by {|i,j| j}.reverse
  end