ifier rubyid_clear_averages'>clear_averages</span>
  <span class='ivar'>@averages</span> <span class='op'>=</span> <span class='const'>Hash</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id identifier rubyid_h'>h</span><span class='comma'>,</span> <span class='id identifier rubyid_k'>k</span><span class='op'>|</span>
    <span class='id identifier rubyid_h'>h</span><span class='lbracket'>[</span><span clas