Hi Vemuri:
is this what you want?
x <- "oSO4 oNO3 mSO4 mNO3
3.3728 0.2110 1.9517421 1.01883602
0.8249 0.0697 1.5970292 0.11368781
0.2636 0.1004 0.6012445 0.24356332
8.0072 0.3443 6.1016998 3.63207149
13.5079 0.6593 12.4011068 1.55323386
6.1293 0.1989 5.7620926 0.12884845
0.6004 0.0661 0.7375408 0.17218600
0.6912 0.1672 1.1563314 0.13469750
1.0478 0.1504 1.5637809 0.99000758
0.4825 0.1160 0.2297545 0.08121805"
df <- read.table(textConnection(x),header=T)
attach(df)
df <- data.frame(oSO4,oNO3,mSO4,mNO3)
df
boxplot(df,col="limegreen")
# Or with ggplot2
library(ggplot2)
x <- melt(df)
x
boxPlots <-
qplot(factor(variable),value,data=x,geom="boxplot",colour=I("magenta"),fill=I("lightgoldenrod"))
boxPlots
Felipe D. Carrillo
Supervisory Fishery Biologist
Department of the Interior
US Fish & Wildlife Service
California, USA
--- On Mon, 2/2/09, Vemuri, Aparna <avem...@epri.com> wrote:
> From: Vemuri, Aparna <avem...@epri.com>
> Subject: [R] Boxplots by variable
> To: r-help@r-project.org
> Date: Monday, February 2, 2009, 4:19 PM
> Dear R users,
>
> I have a matrix "final" which looks like this:
>
> final
> oSO4 oNO3 mSO4 mNO3
> [1,] 3.3728 0.2110 1.9517421 1.01883602
> [2,] 0.8249 0.0697 1.5970292 0.11368781
> [3,] 0.2636 0.1004 0.6012445 0.24356332
> [4,] 8.0072 0.3443 6.1016998 3.63207149
> [5,] 13.5079 0.6593 12.4011068 1.55323386
> [6,] 6.1293 0.1989 5.7620926 0.12884845
> [7,] 0.6004 0.0661 0.7375408 0.17218600
> [8,] 0.6912 0.1672 1.1563314 0.13469750
> [9,] 1.0478 0.1504 1.5637809 0.99000758
> [10,] 0.4825 0.1160 0.2297545 0.08121805
>
> I would like to create boxplots for this matrix with data
> binned by
> oNO3, oSO4, mNO3 and mSO4, all in the same plot.
>
> I tried
> boxplot(final), boxplot(final[,1]) etc. But all those
> commands create
> individual plots and not what I am trying to achieve. I was
> wondering if
> there is an R equivalent of the matlab command "hold
> on" or if there is
> a simpler way around this.
>
>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained,
> reproducible code.
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