BP和GRNN粮食产量预测
....................\BP和GRNN结果图.docx
....................\main_BP.m
....................\main_GRNN.m
....................\main_bijiao.m
....................\程序运行说明.txt
....................\粮食产量的8个影响因素.xls
....................\粮食总量和谷物、非谷物共3个量.xlsx
....................\误差表格.xlsx
....................\预测结果对比.xlsx