Spielman correlation coefficient (Spearman), is a statistical pointer to describe the degree of correlation between the two elements, is a commonly used method in statistical analysis in many industries, so the program is widely used (Wan Li, Mao Qi, 2008); And SPSS, etc., are typically introduced by Pearson product coefficientcorrelation coefficients, Spearman and Kensall'tau-b product correlation coefficients. Pearson correlation applies to the number of two-variable normal distributions, and Spearman and Kendall's tau-b product correlation coefficients are applied to hierarchical data, non-dual-variable normal distribution data, and data with uncertain distributions (Hu Jun, Zhang Chao, Chen Pinghui, 2008).
正在翻譯中..
