A directional Fréchet correlation coefficient is defined as the relative reduction in Fréchet variance after conditioning on a predictor, with a partition-based estimator and wild bootstrap test.
Association and independence test for random objects
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The Fr\'echet correlation coefficient for heterogeneous random objects
A directional Fréchet correlation coefficient is defined as the relative reduction in Fréchet variance after conditioning on a predictor, with a partition-based estimator and wild bootstrap test.