A single statistic used to summarize the agreement between the rankings or classifications of objects made by two or more observers. Examples are the coefficient of concordance, Cohen's kappa, and a rank correlation coefficient.
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。