首先建立指标体系，并运用主成分分析法对22个类型划分指标进行筛选。
Firstly, classification index system was set up, then was selected in 22 original variables by the principal component analysis.
综合运用主成分分析、对应分析、最优尺度分析方法，会使消费者行为研究更有深度。
The research of Consumer's behavior will be deepened if correspondence analysis, optimal scaling technique and factor analysis are adopted together.
运用主成分分析方法，经过矩阵变换，提取振动信号的主要信息，从而实现对振动噪声源的分析。
The main vibration signals can be obtained by reducing its dimensions through matrix conversion in the principal component analyzed, and realize the analysis to the vibration noise source.
应用推荐