多源数据小麦条锈病预测研究

孔钰如,王李娟,张竞成,杨贵军,岳云,杨小冬

Research on Prediction of Wheat Stripe Rust with Multi-source Data

Yuru Kong,Lijuan Wang,Jingcheng Zhang,Guijun Yang,Yun Yue,Xiaodong Yang

表2 特征变量的相关系数矩阵

Table 2 Correlation coefficient matrix of features variables

NDVI OSAVI SR SIPI NRI W T H NDVI 1.000 0.992 0.944 0.874 0.620 -0.250 0.575 0.434 OSAVI 0.992 1.000 0.936 0.845 0.615 -0.249 0.605 0.412 SR 0.944 0.936 1.000 0.763 0.713 -0.272 0.538 0.482 SIPI 0.874 0.845 0.763 1.000 0.402 -0.206 0.349 0.352 NRI 0.620 0.615 0.713 0.402 1.000 -0.315 0.446 0.349 W -0.250 -0.249 -0.272 -0.206 -0.315 1.000 -0.260 -0.099 T 0.575 0.605 0.538 0.349 0.446 -0.260 1.000 -0.061 H 0.434 0.412 0.482 0.352 0.349 -0.099 -0.061 1.000