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单词 inverse transformation method
释义
inverse transformation method

Statistics
  • A general method for the simulation of observations of a continuous random variable X.

    Let u be a pseudo-random number in the interval (0, 1) and let F be the distribution function of X. Then x, given byinverse transformation methodis a random observation of X. For example, an exponential random variable X, with mean μ, has distribution function (1−ex/μ); hence −μln(1−u) is an observation of X.


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