基于PCA-Entropy TOPSIS的甘薯品种块根质构品质评价

李玲,徐舒,曹如霞,陈玲玲,崔鹏,吕尊富,陆国权

Evaluation of Texture Quality of Sweetpotato Storage Roots Based on PCA-Entropy TOPSIS

LI Ling,XU Shu,CAO RuXia,CHEN LingLing,CUI Peng,LÜ ZunFu,LU GuoQuan

表3 主成分的特征值、方差贡献率和累计方差贡献率

Table 3 Eigenvalue, variance contribution rate and cumulative variance contribution rate of principal components

主成分 Principal components 特征值 Eigenvalue 方差贡献率 Variance contribution rate (%) 累计方差贡献率 Cumulative variance contribution rate (%) 1 3.378 56.303 56.303 2 1.246 20.766 77.069 3 1.056 17.605 94.674 4 0.304 5.075 99.748 5 0.013 0.213 99.961 6 0.002 0.039 100.000