Beefy Boxes and Bandwidth Generously Provided by pair Networks
go ahead... be a heretic

Comment on

( #3333=superdoc: print w/ replies, xml ) Need Help??
If we consider the node reputation as a random variable, we can perform some interesting analyses. The entropy of the reputation random variable is 5.27, meaning that the theoretical lower bound for storing the information contained in the node reputations is 5.27 bits per post. So when someone says "node reputation isn't worth 2 bits," they're wrong -- it is actually worth at least 5.27 bits. ;)
use List::Util 'sum'; my $sum = sum values %rep_stats; my $entropy = sum map { -($_/$sum) * log($_/$sum) / log(2) } values %rep_stats; printf "Total entropy: %.05f\n", $entropy;
An interesting statistic would be whether the entropy of the reputation random variable is going up or down over time. Then we could say whether node reputation was becoming more or less meaningful.


In reply to Re: (contest) Help analyze PM reputation statistics by blokhead
in thread (contest) Help analyze PM reputation statistics by demerphq

Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post; it's "PerlMonks-approved HTML":

  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.
  • Log In?

    What's my password?
    Create A New User
    and the web crawler heard nothing...

    How do I use this? | Other CB clients
    Other Users?
    Others scrutinizing the Monastery: (6)
    As of 2015-11-29 14:49 GMT
    Find Nodes?
      Voting Booth?

      What would be the most significant thing to happen if a rope (or wire) tied the Earth and the Moon together?

      Results (751 votes), past polls