You can also try using ggplot2 to generate the plot: > library(tidyr) > library(ggplot2) > data <- gather(mldf,Element,Value,2:4) > p <- ggplot(data,aes(x=factor(Element),y=Value,group=Sample,color=Sample)) > p+geom_line()
Shawn Way, PE -----Original Message----- From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Jim Lemon Sent: Monday, December 05, 2016 3:02 PM To: Maria Lathouri <mlatho...@yahoo.gr> Cc: R-help Mailing List <r-help@r-project.org> Subject: Re: [R] scatter plot of numerical variables against different sample ids Hi Maria, Perhaps something like this: mldf<-read.table(text="Sample Cu Zn Mn M1 1 5 10 M2 2.5 11 8 M3 1.15 11 12 M4 2 4 30 M5 8 15 35", header=TRUE) matplot(mldf,type="b",pch=c("C","Z","M")) Jim On Mon, Dec 5, 2016 at 11:25 PM, Maria Lathouri via R-help <r-help@r-project.org> wrote: > Dear all > I know that my question is very simple but although I tried to find an answer > online, I couldn't and I am stuck. > I have a dataset of three numerical variables measured in different samples > ID. Something like this: > Sample Cu Zn MnM1 1 5 > 10M2 2.5 11 8M3 1.15 11 > 12 M4 2 4 30M5 8 15 > 35 > I would like to plot these variables (Cu, Zn, Mn) (in y-axis) against the > Sample ID (in x-axis) in a scatter plot with lines as I want to see how they > change in the samples. > I tried using the command>plot(Sample, Cu, type="l", lty=1, col="red") > but I wouldn't get a line. Actually, I would get some small horizontal lines > in each point. I tried to use type="p" but I would get the same thing. > I would very much appreciate if you could help me on that. Apparently, I am > missing something. > Thank you in advance. > Kind regards,Maria > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
