Interpolation grouping sliding gravity center-based nationwide grain consumption prediction method with multiple regression model
A technology of multiple regression model and prediction method, applied in prediction, instrument, data processing application and other directions, can solve the problems of large training error of prediction model, large destructive prediction result, single prediction dependent variable, etc., to achieve smooth prediction error, improve Prediction accuracy, the effect of increasing training data
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[0052] A multivariate regression model national grain consumption prediction method based on interpolation group sliding center of gravity, wherein the grain consumption includes ration consumption, feed grain consumption, seed grain consumption, and industrial grain consumption. Alternatively, the grain consumption is rural grain consumption or urban grain consumption.
[0053] In this embodiment, the grain consumption is taken as an example of rural ration consumption and urban ration consumption:
[0054] The method comprises the steps in turn:
[0055] (1) Obtaining original data: Obtain grain consumption, urban and rural population, urbanization level, urban and rural Engel coefficient, and agricultural product production price index from t=1 to n years as the original sample data.
[0056] The 1981-2015 urban ration consumption, rural ration consumption, urban and rural population, urbanization level, urban and rural Engel coefficient and agricultural product production...
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