Thanks Sarah, but I discovered that numbers like 3.0 only have 1 character, so I had a range of character lengths from 1 to 4 (e.g. 17.0 has 2 characters, 3.4 has 3 and 12.4 has 4).
Uwe's method worked well. Thanks again. Kang Min On Dec 4, 11:42 pm, Uwe Ligges <lig...@statistik.tu-dortmund.de> wrote: > On 04.12.2011 14:38, Kang Min wrote: > > > Hi all, > > > I have a numeric vector with 1 decimal place, and I'd like to extract > > the last 3 characters, including the decimal point. The vector ranges > > from 0 to 20. > > > x<- round(runif(100)*20, digits=1) > > formatC(round(x%%10, 1), format="f", digits=1) > > Uwe Ligges > > > Some of numbers have 3 characters, and some have 4. I've read up on > > the substr() function but that extracts characters based on exact > > positions. How can I extract just the last 3 characters no matter the > > length of the number? e.g. from 16.7 I want 6.7, from 3.5 I want 3.5 > > as it is. > > > Thanks, > > Kang Min > > > ______________________________________________ > > r-h...@r-project.org mailing list > >https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > > ______________________________________________ > r-h...@r-project.org mailing listhttps://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guidehttp://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.
