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Re: Fisher exact - two tailed

by jeroenes (Priest)
on Oct 02, 2001 at 07:58 UTC ( #116063=note: print w/replies, xml ) Need Help??

in reply to Fisher exact - two tailed

CPAN is your friend: Statistics::Table::F. Just do a search on statistics.

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Fisher exact - one tailed
by tenya (Beadle) on Oct 03, 2001 at 07:51 UTC
    Statistics::Table::F does not seem to be a two tailed Fisher Exact test (but maybe I am missing something). I had searched cpan documentation for Fisher and came up empty handed. By the way there is a perl version of a one tailed Fisher exact test here.
      AFAIK, the ANOVA is a Fisher Exact test, two tailed. Aha, that test is a variation on the chi square. OK, I completely misunderstood your question. I'm only used to ANOVA kind of statistics ....

      (About that Statistics::Table::F module:) I must admit the docs of that module are very minimal. Moreover, I tried to install it, but that doesn't work. I'm sorry that I've given you a pointer that I never used myself.

      The BSP package seems to have a really specialized use of bigrams, I don't whether it can be used as-is for your application. (update) After paging through it, I still can't easily see where the bigram stops and the algoritm comes in.

      To make it up to you, I will program your F-test.

      "We are not alone"(FZ)

      Update: There is javascript code to be found here.

      ...time passes and I have parsed that javascript into perl: Fisher's Exact test (probability of 2x2 tables)

        I believe the one tailed test used in the bigram analysis is in

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