基于GWR模型的渭北黄土旱塬粮食单产空间分异 及其影响因子分析——以陕西彬县为例
邱孟龙,曹小曙,周建,冯小龙,高兴川

Spatial Differentiation and Impact Factors of Grain Yield Per Hectare in Weibei Plateau Based on GWR Model: A Case Study of Binxian County, Shannxi
QIU MengLong,CAO XiaoShu,ZHOU Jian,FENG XiaoLong,GAO XingChuan
表3 OLS模型与GWR模型参数估计比较
Table 3 Parameter estimation comparison OLS model with GWR model
模型 Model 信息准则
AIC
R2 调整后的R2
Adjust R2
残差平方和
RRS
残差估计标准差
Sigma
OLS模型 OLS model 1080.07 0.80 0.78 198694.52 46.22
GWR模型 GWR model 1069.03 0.86 0.82 140028.34 41.53
GWR模型对模拟精度指标的提高
Improvement of simulation accuracy by GWR model
11.04 0.06 0.04 58666.18 4.69