title: What is a good pure Perl on-line or streaming statistics package?
body: <p>Are there any prerolled streaming statistics libraries for Perl à la: <a href="http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#On-line_algorithm" rel="nofollow noreferrer">http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#On-line_algorithm</a></p>
  
  <p>I haven't found anything on CPAN yet and I really don't want to have to code one myself.</p>