Soil organic carbon predication method based on geographically weighted regression
A technique of geographical weighting and regression method, applied in soil material testing, material inspection products, etc.
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[0070]The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
[0071] The basic idea of designing the soil organic carbon prediction method based on geographically weighted regression in the present invention is to complete the diagnosis and treatment of the collinearity problem between independent variable sets in the process of independent variable selection, processing and local regression, so as to realize the localization of different types of independent variables. In the regression process, the non-stationarity of the spatial relationship is detected and the target variable is predicted more efficiently and accurately; while ensuring the diagnosis of the local regression collinearity problem, by comparing a variety of local regression techniques, the trend term is analyzed based on the trend surface equation to eliminate the non-stationary Therefore, the spatial prediction accuracy of tar...
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