山西省粮食产量预测

The Prediction of Grain Production in Shanxi Province

摘要: 本文将山西省的城市按南部、中部和北部分为三层，选取粮食种植面积为辅助变量，进而用五种方法对粮食总产量进行估计，通过比较精度选择出估计粮食总产量最适合的方法。

Abstract: In this paper, the cities in Shanxi Province are divided into southern part, middle part and north-ern part, and the grain planting area is used as the auxiliary variable. Then, the total grain yield is estimated by five methods, and the most suitable method is chosen for estimating the total grain output by comparing the accuracy.