![]() ![]() Some data samples cannot be summarized using a standard distribution. Its value at a given point is equal to the proportion of observations from the sample that are less than or equal to that point.Īn empirical distribution function provides a way to model and sample cumulative probabilities for a data sample that does not fit a standard probability distribution.Īs such, it is sometimes called the empirical cumulative distribution function, or ECDF for short. The empirical distribution, or empirical distribution function, can be used to describe a sample of observations of a given variable.
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