*Corresponding author:John E Kolassa, Department of Statistics and Biostatistics, Rutgers, the State University of New Jersey, Hill Center 501,110 Frelinghuysen Rd, Piscataway NJ 08854, USA
Received: September 08, 2018; Published: September 25, 2018
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This paper presents a modified chi-square approximation to the distribution of test statistics arising from multivariate ranked data. The modification arises from an improvement to the estimated variance matrix of the responses and from corrections for continuity and skewness and kurtosis of the rank sum statistics.
Keywords: Multivariate Analysis; Nonparametric Testing; Asymptotic Approximation