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1、AdvancesinSocialSciences社会科学前沿,2017,6(7),970-978PublishedOnlineJuly2017inHans.http://www.hanspub.org/journal/asshttps://doi.org/10.12677/ass.2017.67139AnalysisontheInfluencingFactorsofGrainSownAreainChinaTiantianWuSchoolofStatisticsandMathematics,YunnanUniver
2、sityofFinanceandEconomics,KunmingYunnanthrdthReceived:Jul.7,2017;accepted:Jul.23,2017;published:Jul.26,2017AbstractWiththerapiddevelopmentofthenationaleconomy,grainproductionwhichisasanimportantbasisisnotonlyrelatedtothesurvivalofthecountry,butalsothedevelopm
3、entofthenationaleconomy.Thegrainsownareaisanimportantapproachtoensurethenationalgrainproduction;therefore,itisofgreatsignificancetostudythegrainsownarea.Manyscholarsbelievethatthenetimportsofgrain,ratioofurban-ruralincome,amountofagriculturalmachinery,employm
4、entpopulationintheprimaryindustry,andchemicalfertilizerinputsarethemainfactorsaffectingthegrainsownarea.Inordertocomprehensivelymeasuretheimpactofvariousfactorsonthegrainsownarea,theaffectedarea,effectiveirrigatedarea,outputvalueofagricultureandthegrainyieldv
5、ariableareincreasedforfurtheranalysisinthispaper.However,thesevariablesareuncertainanddynamicintermsofaffectingthegrainsownarea,andforbetterstudyoftherela-tionshipbetweenthem,multifactorlineregressionmethodandthestepwiseregressionmethodareadopted,andtheresult
6、sshowthattheamountofagriculturalmachinery,affectedarea,netimportsofgrainandgrainyieldplayaroleinhelpinggrainsownarea,whileratioofurban-ruralincomeandoutputvalueofagriculturehaveanegativeeffectonthegrainsownarea.Finally,ac-cordingtotheanalysis,wegivesomesugges
7、tionsforthefurtherdevelopmentofgrainsownarea.KeywordsGrainSownArea,Matlab,MultipleRegressionAnalysis,StepwiseRegressionMethod我国粮食作物播种面积的影响因素吴添添云南财经大学，统计与数学学院，云南昆明收稿日期：2017年7月7日；录用日期：2017年7月23日；发布日期：2017年7月26日文章引用:吴添添.我国粮食作物播种面积的影响因素[J].社会科学前沿,2017,6(7):970-97
8、8.https://doi.org/10.12677/ass.2017.67139吴添添摘要随着国家经济的迅速发展，粮食生产作为其重要基础，不仅关系到国家的生存，而且关系到国民经济的发展，粮食作物播种面积是保证国家粮食生产的重要途径，研究粮食作物播种面积具有重要意义。不少学者认为粮食净进口量、城乡收入比、农业机械总动力、第一产业就业人口、化肥施用量这五个因素是影响粮食作物
