FAQ 7.31
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system.file("../../doc/FAQ")57.5 comes out even in binary, and .575 does not. > print(.575*100, digits=17) [1] 57.499999999999993 ## The fraction is less than .5, hence it gets rounded down to 57 > print(57.5, digits=17) [1] 57.5 ## the fraction is exactly .5, hence gets rounded to the nearest even number 58 l On Tue, Oct 9, 2018 at 1:14 PM, Ryan Derickson <rlderick...@gmail.com> wrote: > Hello, > > Apologies if this is a simple misunderstanding. > > round((.575*100),0) gives 57 > round(57.5,0) gives 58 > > Why? > > Ryan Derickson > University of Cincinnati > > On Tue, Oct 9, 2018, 10:08 AM PIKAL Petr <petr.pi...@precheza.cz> wrote: > >> Hi >> >> You could use brute force approach. Just print out "file.names" and >> estimate ordering vector. >> In czech locale it is >> >> oo <- c(6, 11, 1, 4, 5, 2, 3, 10, 12, 9, 7, 8) >> >> In english locale it is different :-) >> >> After that >> file.names[oo] >> >> should give you correct order of file names >> >> Cheers >> Petr >> >> > -----Original Message----- >> > From: R-help <r-help-boun...@r-project.org> On Behalf Of Ek Esawi >> > Sent: Tuesday, October 9, 2018 3:44 PM >> > To: r-help@r-project.org >> > Subject: [R] Reorder file names read by list.files function >> > >> > Hi All-- >> > >> > I used base R list.file function to read files from a directory. The >> file names are >> > months (April, August, etc). That's the system reads them in >> alphabetical order., >> > but i want to reordered them in calendar order (January, February, >> > ...December).. I thought i might be able to do it via RegEx or possibly >> gtools >> > package, I am wondering if there is an easier way. >> > >> > Thanks--EK >> > >> > Example >> > path = "C:/Users/name/Downloads/MyFiles" >> > file.names <- dir(path, pattern =".PDF") >> > >> > Example output >> > Output: >> > "February.PDF" "January.PDF" "March.PDF" >> > Desired output >> > "January.PDF" "February.PDF" "March.PDF" >> > >> > ______________________________________________ >> > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> > https://stat.ethz.ch/mailman/listinfo/r-help >> > PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> > and provide commented, minimal, self-contained, reproducible code. >> Osobní údaje: Informace o zpracování a ochraně osobních údajů obchodních >> partnerů PRECHEZA a.s. jsou zveřejněny na: >> https://www.precheza.cz/zasady-ochrany-osobnich-udaju/ | Information >> about processing and protection of business partner’s personal data are >> available on website: >> https://www.precheza.cz/en/personal-data-protection-principles/ >> Důvěrnost: Tento e-mail a jakékoliv k němu připojené dokumenty jsou >> důvěrné a podléhají tomuto právně závaznému prohláąení o vyloučení >> odpovědnosti: https://www.precheza.cz/01-dovetek/ | This email and any >> documents attached to it may be confidential and are subject to the legally >> binding disclaimer: https://www.precheza.cz/en/01-disclaimer/ >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
