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基于文本挖掘和百度指数的汇率预测数161203106336指·2020本文本的文基于文本挖掘和百度指数的汇率预测指的指的文的和文文文的数2020本文基于文本挖掘和百度指数的汇率预测本文的百度指数汇率PythonRjieba文本数python的百度指数的数指数的的汇率预测的MA指数的预测的指数的预测汇率的预测的百度指数汇率预测文本挖掘Python2020本文ExchangeratepredictionbasedontextminingandBaiduIndexAbstractThepurposeofthisarticleistoanalyzetheimpactoftheBaiduIndexonInternetsearchrelatedkeywordsontheexchangerateofRMBtoUSD.First,usethePythonwebcrawlerprogramtocrawlrelatedmicro-blogrelatedinformationinbatches,andusetheRlanguagejiebapackagetofilter,collectstatistics,analyzeandextractseveralkeywords.Secondly,basedonthedailydataofBaidusearchindexobtainedbythepythoncrawlerforrelatedkeywords,amultivariatehybridmodelincludingtheinfluencefactorofthewebsearchindexwasconstructedtopredicttheexchangerateofRMBtoUSD.Finally,atraditionalMAmodelisconstructed,andashort-termforecastinganalysisisperformedwithamultivariatemixedmodelincludingsearchindexinfluencefactors.Theresultsshowthatthemultivariatemixedmodelincludingsearchindexinfluencefactorshasbetterpredictioneffectandprovidesanimportantbasisforthepredictionofshort-termRMBexchangerate.Keywords:BaiduindexpredictionexchangeratePythonwebcrawleTextMining2020本文121.1.................................21.2.....................................21.3文.....................................32文本挖掘文本数52.1Python文本......................52.2R文本.................................62.3百度指数..............................73基于的度指数93.1..................................93.2指数.....................