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单词 prior probability
释义

Definition of prior probability in English:

prior probability

noun
Statistics
  • A probability as assessed before making reference to certain relevant observations, especially subjectively or on the assumption that all possible outcomes be given the same probability.

    〔统计〕先验概率;预先几率

    Example sentencesExamples
    • The probability is either a prior probability or a conditional probability.
    • Her lawyers demonstrated that the test did not take proper account of the prior probability and thus made a tacit initial assumption of guilt.
    • To estimate the probability that a potential father is the father of an offspring we need to make assumptions regarding the prior probability of a potential father being the father.
    • The resultant posterior probability then becomes a prior probability for the second drawing, the result of which is used to calculate a further posterior probability.

Definition of prior probability in US English:

prior probability

noun
Statistics
  • A probability as assessed before making reference to certain relevant observations, especially subjectively or on the assumption that all possible outcomes be given the same probability.

    〔统计〕先验概率;预先几率

    Compare with posterior probability
    Example sentencesExamples
    • The probability is either a prior probability or a conditional probability.
    • To estimate the probability that a potential father is the father of an offspring we need to make assumptions regarding the prior probability of a potential father being the father.
    • The resultant posterior probability then becomes a prior probability for the second drawing, the result of which is used to calculate a further posterior probability.
    • Her lawyers demonstrated that the test did not take proper account of the prior probability and thus made a tacit initial assumption of guilt.
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更新时间:2025/7/2 13:12:26