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Analysis of the Influence Factors of China's per-capita Food Expenditure

机译：中国人均粮食支出影响因素分析

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This paper analyzes the relationship between food expenditure, income and grain price, which is the basic demand of daily food. With the help of SAS 9.2. Statistical software, we constructed the regression model based on analyzing 31 provinces sample via the descriptive analysis, regression model selection and variable selection. To determine the validity of the regression model, the variance homogeneity test, the collinearity test, the autocorrelation test and the analysis of the validity of the samples are also carried out. Finally, the reliability of the regression model is determined. The analysis results show that the per - capita food expenditure in China is affected by the grain price, and the influence of per - capita income on food expenditure is relatively weak.
机译：本文分析了食品支出，收入和粮食价格之间的关系，这是日常食品的基本需求。在SAS 9.2的帮助下。统计软件，我们通过描述分析，回归模型选择和可变选择构建了基于分析31个省份的回归模型。为了确定回归模型的有效性，还进行了方差均匀性测试，共同性测试，自相关试验和样品有效性的分析。最后，确定了回归模型的可靠性。分析结果表明，中国人均食品支出受粮食价格的影响，人均收入对食品支出的影响相对较弱。

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