Function friedmanTest

The Friedman test is a non-parametric within-subject ANOVA. It's useful when parametric assumptions cannot be made. Usage is identical to correlatedAnova().

TestRes friedmanTest(T...) (
  T dataIn
)
if (doubleInput!(typeof(dataIn[0].front)) || allSatisfy!(doubleInput, T));

References

"Concepts and Applications of Inferrential Statistics". Richard Lowry. Vassar College. version.

http

//faculty.vassar.edu/lowry/webtext.html

Bugs

No exact P-value calculation. Asymptotic approx. only.