Re: Corpora: Negative mutual information?

From: David Campbell (campbed@flux.cpmc.columbia.edu)
Date: Thu Mar 08 2001 - 14:35:46 MET

  • Next message: Miles Osborne: "Re: Corpora: Negative mutual information?"

    Thank you to everyone that responded. It seems the source of my confusion
    was the distinction between 'mutual information' and 'pointwise mutual
    information'.

    David Campbell

    > I have a question about calculating mutual information for bigrams in
    > text. According to every definition I've seen of MI, the values are
    > non-negative. However, I've found that for some bigrams made of common
    > words in very uncommon bigrams, the value is less than zero. Does anyone
    > know how to interpret a negative mutual information?
    >
    > Thanks
    > David Campbell

    The Twelve Months

    Snowy, Flowy, Blowy,
    Showery, Flowery, Bowery,
    Hoppy, Croppy, Droppy,
    Breezy, Sneezy, Freezy.
    GEORGE ELLIS



    This archive was generated by hypermail 2b29 : Fri Mar 09 2001 - 01:14:52 MET