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词汇 probability generating function
释义

Definition of probability generating function in English:

probability generating function

noun
Statistics
  • A function of a variable z which can be expressed as a power series in which the coefficient of z n is the probability that a given discrete random variable takes the integer value n.

Origin

1940s; earliest use found in Journal of the Royal Statistical Society.

Definition of probability generating function in US English:

probability generating function

noun
Statistics
  • A function of a variable z which can be expressed as a power series in which the coefficient of z n is the probability that a given discrete random variable takes the integer value n.

Origin

1940s; earliest use found in Journal of the Royal Statistical Society.

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