各位大神，最近投了一篇稿子，编辑回复建议做一下置换检验和蒙特卡洛交叉验证方法。但是，数据有部分找不到了，该如何回复呢？？急求答案，跪谢如题：Cross validation is very important for multivariate statistical analysis, because multivariate statically analysis tends to overfit the model. There were a few different statistical approaches used in the paper, but no cross validation was performed. It is recommended to use permutation test or Monte Carlo cross validation。 返回小木虫查看更多