On Mar 13, 2013, at 16:54 , Daniel Nordlund wrote: >> -----Original Message----- >> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] >> On Behalf Of Maximus >> Sent: Wednesday, March 13, 2013 12:15 AM >> To: r-help@r-project.org >> Subject: [R] How to read a *.csv file in R? >> >> Hey guys, >> >> I am dealing with this kind of data. To read the file in R I have nulled >> all >> empty fields and tried: >> >> date BRENT BRENTchg HWWI HWWIchg >> Jan. 86 22,5 NULL 68,1 -15,6 >> Feb.86 17 NULL 64,9 -21,6 >> Mar. 86 13,7 NULL 66,6 -19,5 >> Apr.86 12,3 NULL 63,6 -19,1 >> May 86 14 NULL 61,5 -20,9 >> June 86 11,8 NULL 59,8 -20,7 >> July 86 9,4 NULL 57,2 -19,3 >> Aug.86 13,2 NULL 55,5 -18,3 >> Sep.86 14,2 NULL 57,5 -15,1 >> Oct. 86 13,7 NULL 55,5 -14,1 >> Nov.86 14,4 NULL 54,9 -14,9 >> Dec. 86 15,7 NULL 52,9 -26,4 >> Jan. 87 18,3 -18,67 49,8 -26,87 >> Feb.87 17,3 1,76 49,9 -23,11 >> Mar. 87 17,8 29,93 49,7 -25,38 >> Apr.87 18 46,34 50,5 -20,6 >> May 87 18,6 32,86 52,3 -14,96 >> June 87 18,8 59,32 53,5 -10,54 >> July 87 19,8 110,64 54,5 -4,72 >> Aug.87 18,9 43,18 55,3 -0,36 >> Sep.87 18,2 28,17 55,1 -4,17 >> Oct. 87 18,6 35,77 57,8 4,14 >> Nov.87 17,7 22,92 55,5 1,09 >> Dec. 87 16,8 7,01 56,5 6,81 >> Jan. 88 16,7 -8,74 58,4 17,27 >> Feb.88 15,7 -9,25 59,5 19,24 >> >>> heisenberg <- read.csv(file="comprice.csv",head=TRUE,sep="") >> Error in read.table(file = file, header = header, sep = sep, quote = >> quote, >> : >> duplicate 'row.names' are not allowed >> >> However, my row names are not duplicated. When I try: >> >>> heisenberg <- read.csv(file="comprice.csv",head=TRUE,sep=",") >> Error in read.table(file = file, header = header, sep = sep, quote = >> quote, >> : >> more columns than column names >> >> I have saved the file with excel under *.csv(MSDOS). >> >> How to read this file? >> >> Thank you in advance for your help? >> >> > > The data appear to be tab delimited with the decimal point being a comma > (','). So, try read.csv2() > > heisenberg <- read.csv2(file="comprice.csv", header=TRUE, sep="\t") > >
read.delim2() would be more to the point. (M: Are you _sure_ Excel calls this a csv file? Those are usually semicolon-separated in German locales.) It's usually easier to leave blank fields blank in delimited formats. If you code NULL for missing, you'll need the na.strings= argument. -pd > Hope this is helpful, > > Dan > > Daniel Nordlund > Bothell, WA USA > > > ______________________________________________ > R-help@r-project.org mailing list > 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. -- Peter Dalgaard, Professor Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ R-help@r-project.org mailing list 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.