变换后数据的因子分区标准化在东昆仑东段地球化学异常圈定中的应用

耿国帅, 杨帆, 郭建娜

The application of ILR transromed data factor analysis to delineating geochemical anomalies

Guo-Shuai GENG, Fan YANG, Jian-Na GUO

图3 青海省东昆仑东段成矿元素经ILR变换和未经变换的主成分分析双标图 a—经ILR变换后的第一、第二主成分双标图;b—未经变换的第一、第二主成分双标图;图中红色圆点为第一和第二主成分的得分

Fig.3 Biplot of principle component analysis from the ore forming elements in the study area a—the biplot of the first and second principal component from ILR transformed geochemical data;b—the biplot of the first and second principal component from raw geochemical data;the red dots in the picture are the scores of the first and second principal components