D. J. Best, D. Graham, J. C. W. Rayner
Abstract
The polychoric correlation and an approximate maximum likelihood estimator of correlation are compared for count data that are assumed to be derived from an underlying bivariate normal distribution. A related chi squared test for bivariate normality is also examined.
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The polychoric correlation and an approximate maximum likelihood estimator of correlation are compared for count data that are assumed to be derived from an underlying bivariate normal distribution. A related chi squared test for bivariate normality is also examined.
Key concepts: Bivariate analysis, Correlation, Statistics, Multivariate normal distribution, New normal, Mathematics, Econometrics, Medicine