Thanks to all of you! Yes, I am generating a latex table in my report. jholtman wrote: > > It all depends on what you want to do with the result. Here are some > variations: > >> x <- matrix(runif(16), 4) >> x > [,1] [,2] [,3] [,4] > [1,] 0.2655087 0.2016819 0.62911404 0.6870228 > [2,] 0.3721239 0.8983897 0.06178627 0.3841037 > [3,] 0.5728534 0.9446753 0.20597457 0.7698414 > [4,] 0.9082078 0.6607978 0.17655675 0.4976992 >> x[] <- sprintf("%.3f", x) >> x > [,1] [,2] [,3] [,4] > [1,] "0.266" "0.202" "0.629" "0.687" > [2,] "0.372" "0.898" "0.062" "0.384" > [3,] "0.573" "0.945" "0.206" "0.770" > [4,] "0.908" "0.661" "0.177" "0.498" >> print(x, quote=FALSE) > [,1] [,2] [,3] [,4] > [1,] 0.718 0.935 0.267 0.870 > [2,] 0.992 0.212 0.386 0.340 > [3,] 0.380 0.652 0.013 0.482 > [4,] 0.777 0.126 0.382 0.600 > >> x <- matrix(runif(16), 4) >> signif(x,3) > [,1] [,2] [,3] [,4] > [1,] 0.718 0.935 0.2670 0.870 > [2,] 0.992 0.212 0.3860 0.340 > [3,] 0.380 0.652 0.0134 0.482 > [4,] 0.777 0.126 0.3820 0.600 >> > > Can you specify what you want and how are you going to use it. Is it for > generating a report? > On Thu, May 14, 2009 at 8:03 AM, lehe <timlee...@yahoo.com> wrote: > >> >> Thanks! >> In my case, I need to deal with a lot of such results, e.g. elements in a >> matrix. If using sprintf, does it mean I have to apply to each result >> individually? Is it possible to do it in a single command? >> >> >> jholtman wrote: >> > >> > Depending on what you want to do, use 'sprintf': >> > >> >> x <- 1.23456789 >> >> x >> > [1] 1.234568 >> >> as.character(x) >> > [1] "1.23456789" >> >> sprintf("%.1f %.3f %.5f", x,x,x) >> > [1] "1.2 1.235 1.23457" >> >> >> > >> > >> > On Thu, May 14, 2009 at 7:40 AM, lehe <timlee...@yahoo.com> wrote: >> > >> >> >> >> Hi, >> >> I was wondering how to specify the number of decimal numbers in my >> >> computation using R? I have too many decimal numbers for my result, >> when >> >> I >> >> convert them to string with as.character, the string will be too long. >> >> Thanks and regards! >> >> -- >> >> View this message in context: >> >> >> http://www.nabble.com/specify-the-number-of-decimal-numbers-tp23538852p23538852.html >> >> Sent from the R help mailing list archive at Nabble.com. >> >> >> >> ______________________________________________ >> >> 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<http://www.r-project.org/posting-guide.html> >> <http://www.r-project.org/posting-guide.html> >> >> and provide commented, minimal, self-contained, reproducible code. >> >> >> > >> > >> > >> > -- >> > Jim Holtman >> > Cincinnati, OH >> > +1 513 646 9390 >> > >> > What is the problem that you are trying to solve? >> > >> > [[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<http://www.r-project.org/posting-guide.html> >> > and provide commented, minimal, self-contained, reproducible code. >> > >> > >> >> -- >> View this message in context: >> http://www.nabble.com/specify-the-number-of-decimal-numbers-tp23538852p23539189.html >> Sent from the R help mailing list archive at Nabble.com. >> >> ______________________________________________ >> 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<http://www.r-project.org/posting-guide.html> >> and provide commented, minimal, self-contained, reproducible code. >> > > > > -- > Jim Holtman > Cincinnati, OH > +1 513 646 9390 > > What is the problem that you are trying to solve? > > [[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. > >
-- View this message in context: http://www.nabble.com/specify-the-number-of-decimal-numbers-tp23538852p23540018.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.