Hi r-help-boun...@r-project.org napsal dne 25.10.2010 00:47:22:
> sales <- read.csv(file="C:/Program Files/R/Test Data/sales.csv", > header=TRUE, row.names = "Month") > ________________________________^^^^^^^^^^^^^^^^^^^ > > > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of Jason Kwok > Sent: Monday, 25 October 2010 8:27 AM > To: Erik Iverson > Cc: r-help@r-project.org > Subject: Re: [R] Importing CSV File > > Thanks for the response Erik. > > In this case, I would like to keep the row name as the month. How would I > do that? Following Bill's answer I would add that you can not have duplicated row names. In your example it does not matter as each month is unique, but if you have more occurrences of some months you can not use it as a row name. Regards Petr > > Thanks, > > Jason > > On Sun, Oct 24, 2010 at 6:20 PM, Erik Iverson <er...@ccbr.umn.edu> wrote: > > > On 10/24/2010 04:57 PM, Jason Kwok wrote: > > > >> I'm trying to import a CSV file into R and when it gets imported, the > >> entries get numbered down the left side. How do I get rid of that? > >> > > > > When you imported the CSV file into R, an object of class data.frame > > was created, and since you did not assign it to a variable name, > > (e.g., df1 <- read.csv(...) ), the object got printed. > > > > A data.frame object is going to have a row.names attribute by definition, > > which is what you're seeing. > > > > In ?data.frame, we see documentation for the "row.names" argument: > > > > If 'row.names' was supplied as 'NULL' > > or no suitable component was found the row names are the integer > > sequence starting at one (and such row names are considered to be > > 'automatic', and not preserved by 'as.matrix'). > > > > The method that prints out a data.frame is called print.data.frame, > > and it does have an argument to suppress printing of the row.names. > > > > The question is, why do you not want row.names? Are they just > > distracting you when printed, or is there some reason not to > > carry them along in the object? > > > > --Erik > > > > > > > >> Thanks, > >> > >> Jason > >> > >> *> read.csv(file="C:\\Program Files\\R\\Test Data\\sales.csv",head=TRUE) > >> Month Sales > >> 1 January 422 > >> 2 February 151 > >> 3 March 451 > >> 4 April 175 > >> 5 May 131 > >> 6 June 307 > >> 7 July 47 > >> 8 August 12 > >> 9 September 488 > >> 10 October 122 > >> 11 November 54 > >> 12 December 244 > >> > >>> * > >>> > >> > >> [[alternative HTML version deleted]] > >> > >> ______________________________________________ > >> 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. > >> > > > > > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. ______________________________________________ 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.
