相关特征的物证检验方法及其应用

An extension of the used condition forl-testing and itsapplication on material evidence testing

本文用多元统计的方法 ,将物证检验中彼此相关的特征转化为不相关的新特征 ,再利用L和L 检验方法 ,大大拓广了L和L 检验方法的使用范围 ,提高了破案率。

In Forensic Science, L-Testing-a new method of testing mean had been improved by statistician of our country. But, it has the limitation: L-testing must be applied in the condition that the characteristics of indicators are all not interrelated. This paper wants to use principal component analysis to solve this question. It will extend the scope of using L-testing in Forensic Science.