However , Dunning ( 1993 ) claims that the log-likelihood chisquared statistic ( G2 ) is more appropriate for corpus-based NLP .
accurate methods for the statistics of surprise and coincidence
T Dunning
The usual statistic encountered in text books is the Pearson chisquared statistic , denoted X2 . However , Dunning ( 1993 ) claims that the log-likelihood chisquared statistic ( G2 ) is more appropriate for corpus-based NLP . In Section 6 , we compare the two statistics in a task-based evaluation .
However , @@CITATION claims that the log-likelihood chisquared statistic ( G2 ) is more appropriate for corpus-based NLP .