Using content generated by R's MANOVA function, creates high precision power and p-values for the Wilks Lambda Statistic using the Butler/Wood Algorithm (Butler, R.W. and Wood, A.T.A."Approximation of Power in Multivariate Analysis" in Statistics and Computing Vol. 15,pp. 281-287,2005 <doi:10.1007/s11222-005-4071-x>).In addition provides an S4 object that computes these same statistics useful in evaluating multiple dependent variables models created by other R programs. In a second and third part, computes the likelihood ratio statistic for block independence and equivalence of covariance matrices along with p-values using other Butler/Wood methods. In a fourth part, computes a sample size estimate for 1-way MANOVA using the Wilks Lambda statistic and Butler/Wood algorithm.
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