Spearman's rho for zero-inflated count data: formulation and attainable bounds
Methodology
2026-03-18 v3 Statistics Theory
Statistics Theory
Abstract
We propose an alternative formulation of Spearman's rho for zero-inflated count data. The formulation yields an estimator with explicitly attainable bounds, facilitating interpretation in settings where the standard range [-1,1] is no longer informative.
Cite
@article{arxiv.2503.13148,
title = {Spearman's rho for zero-inflated count data: formulation and attainable bounds},
author = {Jasper Arends and Guanjie Lyu and Mhamed Mesfioui and Elisa Perrone and Julien Trufin},
journal= {arXiv preprint arXiv:2503.13148},
year = {2026}
}