Synopsis
Performs a t-test to determine the probability for the null hypothesis 'the actual means are the same'.
Description
Determines if the null hypothesis (all actual mean values are the same) holds for the input performance vectors. This operator uses a simple (pairwise) t-test to determine the probability that the null hypothesis is wrong. Since a t-test can only be applied on two performance vectors this test will be applied to all possible pairs. The result is a significance matrix. However, pairwise t-test may introduce a larger type I error. It is recommended to apply an additional ANOVA test to determine if the null hypothesis is wrong at all.
Input
- performance 1: optional: PerformanceVector
Output
- significance:
- performance 1:
Parameters
- alpha: The probability threshold which determines if differences are considered as significant.