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Given this procedure, the PRESS statistic can be calculated for a number of candidate model structures for the same dataset, with the lowest values of PRESS indicating the best structures. Models that are over-parameterised ( over-fitted ) would tend to give small residuals for observations included in the model-fitting but large residuals for ...
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Statistical tests are used to test the fit between a hypothesis and the data. [1] [2] Choosing the right statistical test is not a trivial task. [1]The choice of the test depends on many properties of the research question.
A test statistic shares some of the same qualities of a descriptive statistic, and many statistics can be used as both test statistics and descriptive statistics. However, a test statistic is specifically intended for use in statistical testing, whereas the main quality of a descriptive statistic is that it is easily interpretable. Some ...
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Student's t-test for Gaussian scale mixture distributions – see Location testing for Gaussian scale mixture distributions; Studentization; Study design; Study heterogeneity; Subcontrary mean – redirects to Harmonic mean; Subgroup analysis; Subindependence; Substitution model; SUDAAN – software; Sufficiency (statistics) – see Sufficient ...
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