Typing too fast; last line should be: barplot(t(x.m[, 2:5]), names.arg = x.m[,1], las=2)
On Mon, Nov 8, 2010 at 5:42 PM, casperyc <caspe...@hotmail.co.uk> wrote: > > Hi all, > > I have the following data in abc.dat > > ======================= > 50 0 1 0 0 > 55 1 14 0 1 > 60 7 86 0 3 > 65 22 324 2 3 > 70 58 1035 1 7 > 75 30 2568 0 34 > 80 9 2936 15 162 > 85 27 2169 46 365 > 90 80 1439 212 432 > 95 236 1670 521 281 > 100 332 827 709 172 > 105 156 311 556 103 > 110 69 49 144 44 > 115 26 10 36 17 > 120 2 9 3 3 > 125 1 6 1 1 > 130 0 14 0 0 > 135 0 5 0 0 > 140 0 0 0 0 > 145 0 0 0 0 > 150 0 0 0 0 > 155 0 0 0 0 > 160 0 0 0 0 > 165 0 0 0 0 > 170 0 0 0 0 > 175 0 0 0 0 > 180 0 0 0 0 > 185 0 0 0 0 > 190 0 0 0 1 > 195 0 0 0 0 > 200 0 0 0 0 > 205 0 0 0 0 > 210 0 0 0 0 > ======================= > > which i have used > > abc=read.table("abc.dat") > > to read the table into R. > > There are two problems: > > 1- I want the first column of the data to be > the 'column names', how should i read the data? > > 2- I want to plot the histogram, using the first column as > 'x' values, and the 2nd,3rd,4th and 5th columns as the frequencies. > > How do I plot it? > > > I have tried to add a 'row' of variable names to it, > and then read with 'header=T', then the first column > become 'col.names' as I was expecting it to be. > > However, when I plot it using 'hist', > R uses the 2nd column as the 'x value', where it should be used as > 'frequency'. > (the 50,55,60,65,70... should be on the x-axis) > > Thanks! > > Casper > -- > View this message in context: > http://r.789695.n4.nabble.com/how-do-i-plot-this-hist-tp3032796p3032796.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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.