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25 février 2016
- doi: 10.58079/ov2u
Ce document est lié à :
info:eu-repo/semantics/reference/issn/2262-6891
info:eu-repo/semantics/openAccess
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Arthur Charpentier, « Spatial and Temporal Viz of Gas Price, in France », Freakonometrics, ID : 10.58079/ov2u
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A great think in France, is that we can play with a great database with gas price, in all gas stations, almost eveyday. The file is rather big, so let's make sure we have enough memory to run our codes, rm(list=ls()) To extract the data, first, we should extract the xml file, and then convert it in a more common R object (say a list) year=2014 loc=paste("http://donnees.roulez-eco.fr/opendata/annee/",year,sep="") download.file(loc,destfile="oil.zip") Content type 'application/zip' length...