Last Updated
：2025/12/03
beta distribution
Noun
Japanese Meaning
0から1の区間で定義される連続確率分布の一族であり、形状が2つの正のパラメータ（αとβ）によって決定される分布。 / 確率論や統計学で用いられる分布で、パラメータにより分布の形状（分布の偏りの程度や集中の仕方）が変わる。
（ plural ）
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(probability, statistics) Any of a family of continuous probability distributions defined on the interval [0, 1] whose shape is parametrised by two positive parameters, denoted α and β, which appear as exponents in the associated random variable.
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beta distribution
When modeling proportions of successes, I often use the beta distribution to reflect uncertainty between 0 and 1.
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When modeling proportions of successes, I often use the beta distribution to reflect uncertainty between 0 and 1.
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