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Cosa (chi) è Šidák correction for t-test - definizione
Šidák correction for t-test
STATISTICAL METHOD
Sidak correction for t-test
One of the application of Student's t-test is to test the location of one sequence of independent and identically distributed random variables. If we want to test the locations of multiple sequences of such variables, Šidák correction should be applied in order to calibrate the level of the Student's t-test.
Šidák correction
MULITPLE COMPARISONS CORRECTION
Sidak correction; Sidak method
In statistics, the Šidák correction, or Dunn–Šidák correction, is a method used to counteract the problem of multiple comparisons. It is a simple method to control the familywise error rate.
Welch's t-test
STATISTICAL TEST OF WHETHER TWO POPULATIONS HAVE EQUAL MEANS
Welch t-test; Welch t test; Welch's correction; Welch's t test; Welch's test
In statistics, Welch's t-test, or unequal variances t-test, is a two-sample location test which is used to test the hypothesis that two populations have equal means. It is named for its creator, Bernard Lewis Welch, is an adaptation of Student's t-test, and is more reliable when the two samples have unequal variances and possibly unequal sample sizes.
