cumulative distribution function

cumulative distribution function
noun Date: 1950 a function that gives the probability that a random variable is less than or equal to the independent variable of the function

New Collegiate Dictionary. 2001.

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  • Cumulative distribution function — for the normal distributions in the image below …   Wikipedia

  • cumulative distribution function — (cdf) a mathematical function that defines the probability distribution of a random variable by giving for each random variable X the probability of observing a value less than or equal to a specified value x …   Medical dictionary

  • cumulative distribution function — noun : a function that gives the probability that a random variable is less than or equal to the independent variable of the function …   Useful english dictionary

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  • distribution function — noun Date: circa 1909 cumulative distribution function …   New Collegiate Dictionary

  • distribution function — cumulative distribution f …   Medical dictionary

  • Empirical distribution function — In statistics, an empirical distribution function is a cumulative probability distribution function that concentrates probability 1/ n at each of the n numbers in a sample.Let X 1,ldots,X n be iid random variables in mathbb{R} with the cdf F ( x… …   Wikipedia

  • Probability distribution function — Depending upon which text you consult, a probability distribution function is either: * a cumulative distribution function, or * a probability density function …   Wikipedia

  • Cumulative frequency analysis — is the applcation of estimation theory to exceedance probability (or equivalently to its complement). The complement, the non exceedance probability concerns the frequency of occurrence of values of a phenomenon staying below a reference value.… …   Wikipedia

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