问题描述：
spss进行判别分析,进行Box‘s M协方差阵相等检验时,没有检验结果出现,请问是为什么,我该如何处理
写的是no test can be performed with fewer than two nonsingular group covariance matrices
写的是no test can be performed with fewer than two nonsingular group covariance matrices
问题解答：
我来补答展开全文阅读