k-statistic

In statistics, a k-statistic is a minimum-variance unbiased estimator of a cumulant.{{Cite journal |last=McHugh |first=Mary L. |date=2012-10-15 |title=Interrater reliability: the kappa statistic |journal=Biochemia Medica |volume=22 |issue=3 |pages=276–282 |doi=10.11613/BM.2012.031 |issn=1330-0962 |pmc=3900052 |pmid=23092060}}{{Citation |last=Xia |first=Yinglin |title=Chapter Eleven - Correlation and association analyses in microbiome study integrating multiomics in health and disease |date=2020-01-01 |url=https://www.sciencedirect.com/science/article/pii/S1877117320300478 |journal=Progress in Molecular Biology and Translational Science |volume=171 |pages=309–491 |editor-last=Sun |editor-first=Jun |access-date=2023-06-14 |series=The Microbiome in Health and Disease |publisher=Academic Press |doi=10.1016/bs.pmbts.2020.04.003 |pmid=32475527 |language=en|url-access=subscription }}