摘要
以文献数据为例,介绍如何正确应用非参数检验中的Wilcoxon秩和检验进行两组有序分类资料疗效差异的统计学假设检验。
This study was based on literature data, explained how to correctly apply Wilcoxon rank sum test, one of non-parametric tests, for the statistical hypothesis test in the difference of two group ordered categorical data.
出处
《循证医学》
CSCD
2009年第6期378-380,共3页
The Journal of Evidence-Based Medicine