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averageに関するIanLewisのブックマーク (2)

  • Geometric mean - Wikipedia

    IanLewis
    IanLewis 2010/01/18
    The geometric mean, in mathematics, is a type of mean or average, which indicates the central tendency or typical value of a set of numbers. It is similar to the arithmetic mean, which is what most people think of with the word "average", except that instead of adding the set of numbers and then div
  • Bayesian average - Wikipedia

    A Bayesian average is a method of estimating the mean of a population using outside information, especially a pre-existing belief,[1] which is factored into the calculation. This is a central feature of Bayesian interpretation. This is useful when the available data set is small.[2] Calculating the Bayesian average uses the prior mean m and a constant C. C is chosen based on the typical data set s

    IanLewis
    IanLewis 2010/01/18
    A Bayesian average is a method of estimating the mean of a population consistent with Bayesian interpretation, where instead of estimating the mean strictly from the available data set, other existing information related to that data set may also be incorporated into the calculation in order to mini
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