n Thu, Mar 31, 2011 at 3:56 PM, Alexander Engelhardt <a...@chaotic-neutral.de> wrote: > Am 31.03.2011 14:41, schrieb Sarah Goslee: >> >> On Thu, Mar 31, 2011 at 8:14 AM, Alexander Engelhardt >>> >>> this helps, thank you. >>> But if this code is in a function, and some user supplies a vector, I >>> will >>> still have to round it in the function, I guess. >>> >>> It's weird how 0.1 is different from round(0.1, digits=1) , but I don't >>> want >>> to read that 90 page long floating point paper which was referenced >>> somewhere :) >> >> >> Or you could try the much shorter R FAQ 7.31. Turns out it >> isn't weird at all, if you are a computer. > > You're a computer! :) > > But yes.. the FAQ entry was where I found all.equal and the referenced > 90-page-paper. But I didn't find out how to do a subset with 'somevector > > 0.4'. > > I think I'll have to round the numbers every time now.. or use some other > not-so-pretty workaround like 'somevector > 0.4 - 0.05' for 0.1-binned data.
You could define your own %>% and %<% to do rounding and comparison in one step. Kenn ______________________________________________ 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.
