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Bayesian Bootstrapped Correlation Coefficients
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Doi:
10.20982/tqmp.18.1.p039
Rodriguez, Josue E.
, Williams, Donald R.
39-54
Keywords:
Bayesian bootstrap
, correlation
, ordinal
, credible interval
(no sample data)
 
(no appendix)
We propose the Bayesian bootstrap (BB) as a generic, simple, and accessible method for sampling from the posterior distribution of various correlation coefficients that are commonly used in the social-behavioral sciences. In a series of examples, we demonstrate how the BB can be used to estimate Pearson's, Spearman's, Gaussian rank, Kendall's $\tau $, and polychoric correlations. We also describe an approach based on a region of practical equivalence to evaluate differences and null associations among the estimated correlations. In addition, we have implemented the methodology in the R package BBcor (https://cran.r-project.org/web/packages/BBcor/index.html). Example code and key advantages of the proposed methods are illustrated in an applied example.
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