On Wed, Feb 08, 2012 at 03:12:56PM +0100, Arnaud Gaboury wrote: > Hello, > > I have to deal with numbers with a decimal part as quarter, coming from two > systems with different way to show decimals. I need to tell R these are in > fact the same number. > > On one side my number are formatted this way : 2.2 , 2.4 and 2.6. On the > other side, I have 2.25, 2.50 and 2.75. > All numbers are in fact 2.1/4, 2.1/2, 2.3/4. > > How can I tell R 2.2 is 2.25, 2.4 is 2.50 and 2.6 is 2.75 ?
Hello: Try the following. vec <- c(2, 2.2, 2.4, 2.6, 3, 3.2, 3.4, 3.6) round(4*(vec + 0.1))/4 [1] 2.00 2.25 2.50 2.75 3.00 3.25 3.50 3.75 Hope this helps. Petr Savicky. ______________________________________________ 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.
