数据降维及聚类算法在烟叶相似性分析中的应用

翟擎辰,周园春,宋秋成,王建伟,孟珍,张艳玲

Application of Data Dimension Reduction and Clustering Algorithm in Tobacco Leaf Similarity Analysis

ZHAI Qingchen,ZHOU Yuanchun,SONG Qiucheng,WANG Jianwei,MENG Zhen,ZHANG Yanling

表1 PCA筛选过程

Table 1 PCA screening process

成份 初始特征值 合计 方差的 % 累积 % 1 4.368 33.598 33.598 2 2.518 19.368 52.967 3 1.071 8.235 61.201 4 0.969 7.454 68.655 5 0.794 6.104 74.759 6 0.680 5.230 79.989 7 0.577 4.439 84.428 8 0.568 4.371 88.799 9 0.484 3.724 92.523 10 0.382 2.940 95.463 11 0.250 1.926 97.389 12 0.226 1.739 99.128 13 0.113 0.872 100.000