常用判别分类方法分析  

The analysis of a few discriminances

作　　者：李建军[1] 丁正生[1] 张海燕[1] 

机构地区：[1]西安科技大学基础课部,陕西西安710054

出　　处：《西安科技大学学报》2007年第1期138-142,共5页Journal of Xi’an University of Science and Technology

基　　金：陕西省教育厅专项基金(DK05JK255-23005)

摘　　要：判别分析是一种在工程领域中有广泛应用的统计判别与分组的技术手段。本文首先给出一些判别分析常用方法的基本思想和应用步骤,然后深入比较分析了这些方法的优劣、应用条件和环境,最后探讨了它们之间内在的联系与特征。Discretion analysis is a technology of statistical discretion and classifying, this technology has been used in a lot of areas now. In this paper, the basic thought and calculational step of some discriminances will be given. Then authors put forward profound analysis base on comparing these methods＇ characters, qualifications and the circumstances of using. At last, discussing the difference and contact of these discriminances.

关 键 词：判别分析 训练样本 先验概率 判别准则 

分 类 号：O212.4[理学—概率论与数理统计]