A rather complicated function of the ranks of observations. It was suggested by Hoeffding in 1948 as the basis of a non-parametric test of the independence of two random variables.
科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。