Anderson Darling Test Statistic. The Anderson-Darling Test measures the area between a fitted line based on the chosen distribution and a nonparametric step function based on the plot points. The Anderson-Darling test statistic is where for any i 1 i k ci of elements in Ci x.
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Feb 18 2021 The Anderson-Darling test tests the null hypothesis that a sample is drawn from a population that follows a particular distribution. For example you can use the Anderson-Darling statistic to determine whether data meets the assumption of normality for a t-test. The Anderson-Darling test is an EDF omnibus test for the composite hypothesis of normality.
Anderson-Darling statistic In the goodness-of-fit problem cf.
The statistic is a squared distance that is weighted more heavily in the tails of the distribution. X X and x zi. The statistic is a squared distance that is weighted more heavily in the tails of the distribution. In its basic form the test assumes that there are no parameters to be estimated in the distribution being tested in which case the test and its set of critical values is distribution-free.
