try this: > x <- read.table('clipboard') > x V1 V2 V3 V4 V5 1 50 0 1 0 0 2 55 1 14 0 1 3 60 7 86 0 3 4 65 22 324 2 3 5 70 58 1035 1 7 6 75 30 2568 0 34 7 80 9 2936 15 162 8 85 27 2169 46 365 9 90 80 1439 212 432 10 95 236 1670 521 281 11 100 332 827 709 172 12 105 156 311 556 103 13 110 69 49 144 44 14 115 26 10 36 17 15 120 2 9 3 3 16 125 1 6 1 1 17 130 0 14 0 0 18 135 0 5 0 0 19 140 0 0 0 0 20 145 0 0 0 0 21 150 0 0 0 0 22 155 0 0 0 0 23 160 0 0 0 0 24 165 0 0 0 0 25 170 0 0 0 0 26 175 0 0 0 0 27 180 0 0 0 0 28 185 0 0 0 0 29 190 0 0 0 1 30 195 0 0 0 0 31 200 0 0 0 0 32 205 0 0 0 0 33 210 0 0 0 0 > x.m <- as.matrix(x) # dataframe -> matrix > barplot(t(x.m), 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.