基于主成分分析及隶属函数法对芝麻苗期耐热性综合评价

苏小雨, 高桐梅, 张鹏钰, 李丰, 吴寅, 王东勇, 田媛, 卫双玲

Comprehensive Evaluation of Heat Resistance of Sesame Seedlings Based on Principal Component Analysis and Membership Function Method

Su Xiaoyu, Gao Tongmei, Zhang Pengyu, Li Feng, Wu Yin, Wang Dongyong, Tian Yuan, Wei Shuangling

表4 各主成分综合指标的系数及贡献率

Table 4 Coefficients and contribution of comprehensive indexes of principal components

指标Index CI(1) CI(2) CI(3) X1 0.30 -0.03 0.21 X2 0.14 0.84 0.34 X3 0.28 0.11 -0.07 X4 -0.29 -0.14 0.15 X5 0.27 -0.12 0.04 X6 0.28 -0.21 0.03 X7 -0.26 0.18 -0.33 X8 0.28 -0.07 -0.13 X9 0.27 0.00 0.41 X10 0.26 0.16 -0.36 X11 0.28 0.04 -0.39 X12 0.24 -0.34 0.38 X13 -0.27 0.11 0.25 X14 -0.30 -0.13 0.16 特征值Eigenvalue 10.09 0.94 0.66 贡献率Contribution rate(%) 72.09 6.74 4.71 累计贡献率 Accumulative contribution rate (%) 72.09 78.83 83.54