Biometrika 1986 73(3):731-734; doi:10.1093/biomet/73.3.731
© 1986 by Biometrika Trust
Measures and tests of alignment
J. GATES
School of Mathematics, Statistics and Computing, Thames Polytechnic London SE18 6PF, U.K.
Approaches to the question of the alignment of objects in a two-dimensional region via correlation, maximum likelihood test and procrustean distance lead to equivalent versions of the ellipticity statistic, L The distribution of L in the Gaussian and uniform cases is discussed.
Key Words: Alignment Correlation Ellipticity Procrustean distance Shape

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