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/ ll3

NAME

ll3.pm

SYNOPSIS

Statistical library package to calculate the Loglikelihood ratio for trigrams. This package should be used with statistic.pl and rank.pl.

DESCRIPTION

The log-likelihood ratio measures the devitation between the observed data and what would be expected if <word1>, <word2>, and <word3> were independent. The higher the score, the less evidence there is in favor of concluding that the words are independent.

AUTHORS

Ted Pedersen <tpederse@d.umn.edu>

Satanjeev Banerjee <banerjee@cs.cmu.edu>

Amruta Purandare <pura0010@d.umn.edu>

Bridget Thomson McInnes <bthomson@d.umn.edu>

BUGS

This measure currently only defined for trigram data stored in 3x3x3 contingency table.

SEE ALSO

Mailing List: http://groups.yahoo.com/ngram

COPYRIGHT

Copyright 2000-2004 by Ted Pedersen and Satanjeev Banerjee and Amruta Purandare

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.