主成分分析在建筑企业经济效益评价中的应用
首发时间:2007-09-17
摘要:主成分分析也称主分量分析,是由霍特林于1933年首先提出的。主成分分析是利用降维的思想,是一种将多个指标化为少数互相无关的综合指标的多元统计方法。而这种转化思想是设法将原来众多的具有一定相关性的指标,重新组合成一组新的互相无关的综合指标来代替原来指标,从而使评价过程大大简化。本文结合股份制建筑企业经济效益指标,进行了主成分分析,给出了相关的评价。
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The Application of Principal Components Analysis in
Abstract:The principal components analysis is also called the main heft analysis, and first put forward Hotelling in the 1933. It makes use of the idea of reduction dimension, and is a method of multi-variable statistics analysis which changes multiple index into fewer independent combined index. This theory is to turn the multiple index into linear combination, which simplify the course of evaluation greatly. This article applies this theory to architectural corporation, we could obtain useful information for management simply.
Keywords: multi-variable statistics analysis the principal component contribution rate.
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