> -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf Of PtitBleu > Sent: Wednesday, February 09, 2011 4:15 AM > To: r-help@r-project.org > Subject: [R] Problem with long number (from character to numeric class) > > > Hello, > > I have a text file with one column containing long number but stored as > string. > I download the file with read.table (and colClass) and the first row of > this > column is : > > "095842087016731010" > > As I need to make some calculations with these numbers, I tried to convert > them using as.numeric. > But then I get > as.numeric("095842087016731010") > 95842087016731008 > > I understand the disappearing of the first 0 but I don't understand the > substitution of the last 0 by 8. > > Is there a way to avoid that ? > Thanks in advance,
What kind of processing do you need to do with these numbers? There may be better ways to handle the problem. 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.