片语
rank difference square correlation等级差平方相关
perfect rank correlation[经]
rank difference correlation级差相关
rank difference correlation coefficient秩差相关系数
Rank Order Correlation Coefficiem等级次序相关系数
rank order correlation等级次序相关
rank correlation coefficent等级相关系数
Kendall rank correlation coefficient肯德尔等级相关系数
Spearman rank order correlation coefficient史比尔曼等级相关系数