摘要
以黑龙江省水稻单产为例,运用二次回归正交旋转组合设计模型、时间序列模型及灰色模型和DPS软件处理数据,预测出黑龙江省2009—2013未来5a水稻单产的理论潜力。并将这3种模型进行整合,得到水稻单产的整合模型,对提高粮食作物单产预测的精度提供了有效途径。
The theoretical potential for paddy rice yield per hectare in Heilongjiang Province was predicted for the coming five years (2009—2013) by using the quadratic orthogonal rotation combination design model,time series model,as well as gray model,and DPS data processing system. An integrate model was obtained according to these three models in order to accurately predict the paddy rice yield per hectare in Heilongjiang Province.
出处
《东北林业大学学报》
CAS
CSCD
北大核心
2009年第10期112-113,共2页
Journal of Northeast Forestry University
关键词
平均绝对误差
模型整合
时间序列
灰色模型
水稻
Mean absolute percent error
Model integration
Time series
Grey models
Paddy rice