基于文本挖掘和百度指数的汇率预测.pdf
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基于文本挖掘和百度指数的汇率预测
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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
文本数
的百度指数的数指数的
的汇率预测的
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
2020 本文
Exchange rate predictionbased on textminingandBaiduIndex
Abstract
ThepurposeofthisarticleistoanalyzetheimpactoftheBaiduIndexonInternetsearch
relatedkeywordsontheexchangerateof to.First,usethe webcrawler
programtocrawlrelatedmicro-blogrelatedinformationinbatches,andusethe language
packagetofilter,collectstatistics,analyzeandextractseveralkeywords. Secondly,
basedonthedailydataofBaidusearchindexobtainedbythe crawlerforrelated
keywords, amultivariatehybridmodelincludingtheinfluencefactorofthewebsearch
indexwasconstructedtopredicttheexchangerateof to .
Finally, atraditional modelisconstructed, andashort-termforecastinganalysisis
performedwithamultivariatemixedmodelincludingsearchindexinfluencefactors. The
resultsshowthatthemultivariatemixedmodelincludingsearchindexinfluencefactors
hasbetterpredictioneffectandprovidesanimportantbasisforthepredictionofshort-term
exchangerate.
Keywords: Baiduindex predictionexchangerate webcrawle TextMining
2020 本文
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