Take a look at Manning and Schuetze's book, specifically the chapter on
collocations
the latter is available for download from:
http://www.sultry.arts.usyd.edu.au/fsnlp/
Przemyslaw Kaszubski wrote:
>
> Regards to to all the subscribers,
>
> Two questions:
>
> 1. Can anyone explain (or point to a Web source or otherwise easily available
> source apart from the Church, K.W,, W. Gale, P. Hanks & D. Hindle "Using Statistics in
> Lexical Analysis" in <italic>Lexical Acquisition: Using On-Line
> Resources to Build a Lexicon</italic>. Ed. Uri Zernik. Hillsdale:
> Lawrence Erlbaum, 1991)
> the use of the t-score statistic in collocation retrieval? I mean the
> one used by Cobuild. How does the formula work? I am familiar with
> MI and Z-scores but the t-score seems to be
> in use only in the CobuildDirect service.
>
> 2. Do you know of corpus analysis
> packages available for researchers that employ this t-score?
>
> I do small corpus research and I am basically after a tool with a statistic that does not favour rare words as much as the MI does. So far TACT's z-scores seem the best option.
>
> Przemek Kaszubski
E-mail: pete@sharp.co.uk \ Pete Whitelock
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