Function getLogDice

  • getLogDice<TElement>(a, b): number

  • Implementation of the logDice algorithm, which was originally formulated by Pavel Rychlý. [1]

    • This method runs in logarithmic bilinear time, or O(log(n*m)), where n = |A|, and m = |B|.
    • [1] “A Lexicographer-Friendly Association Score - Sketchengine.eu” (Faculty of Informatics, Masaryk University, November 24, 2008)

    Type Parameters

    • TElement

    Parameters

    • a: Set<TElement>

      Set A of type <TElement> elements

    • b: Set<TElement>

      Set B of type <B> elements

    Returns number

    A coefficient score that can be interpreted into the number of collocation pairs between members of set and set B (as defined by §4 "logDice):

    • 14: The theoretical maximum score, where all occurrences of A co-occur with B and vice-versa
    • 0: There is less than 1 co-occurrence of AB for every 16,000 A or every 16,000 B
    • < 0: No statistical significance of AB collocation
    • The score is independent of the given corpus's size

    See

    https://www.sketchengine.eu/wp-content/uploads/2015/03/Lexicographer-Friendly_2008.pdf

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