[R] Multiple plot in a page

[roslinazairimah zakaria]

Hi Jim,

I tried your code, however it still gives me only one plot.  I don't
understand what is going on.  Any clue?

On Wed, Aug 3, 2016 at 4:55 PM, Jim Lemon <drjimlemon at gmail.com> wrote:

> Hi Roslina,
> You only specify space for two plots in:
>
> par(mfrow=c(1,2))
>
> However, you only try to plot two plots, so I will assume that you
> only want two. You haven't defined "x" in the above code, which will
> cause an error. The code below gives me two plots as I would expect (I
> made up the data that you didn't supply).
>
> par(mfrow=c(1,2))
> stn_all<-matrix(400*rnorm(20)+4,ncol=2)
> par(mar=c(4,4,2,1.2),oma=c(0,0,0,0),xaxs="i", yaxs="i")
> hist(stn_all[,1],prob=TRUE, main ="Balok ",col="yellowgreen", cex.axis=1.2,
> xlab="Rain (mm)", ylab="Relative frequency", ylim= c(0,.004),
> xlim=c(0,1200))
> x<-c(400,600,800,1000)
> dgam1<-(rnorm(4)+4)/2000
> lines(x, dgam1,col="red",lwd=3)
> legend("topright", legend = c("observed","fitted"),
>        col = c("yellowgreen", "red"), pch=c(15,NA), lty = c(0, 1),
>        lwd=c(0,3),bty="n", pt.cex=2)
> text(100,.012 , expression(paste(beta==64.64)))
> box()
>
> par(mar=c(4,4,2,1.2),oma=c(0,0,0,0),xaxs="i", yaxs="i")
> hist(stn_all[,2],prob=TRUE, main ="Gambang ",col="yellowgreen",
> cex.axis=1.2,
> xlab="Rain (mm)", ylab="Relative frequency", ylim= c(0,.004),
> xlim=c(0,1200))
> dgam2<-(rnorm(4)+4)/2000
> lines(x, dgam2,col="red",lwd=3)
> legend("topright", legend = c("observed","fitted"),
>        col = c("yellowgreen", "red"), pch=c(15,NA), lty = c(0, 1),
>        lwd=c(0,3),bty="n", pt.cex=2)
> text(100,.012 , expression(paste(beta==64.64)))
> box()
>
> Jim
>
>
> On Wed, Aug 3, 2016 at 3:44 PM, roslinazairimah zakaria
> <roslinaump at gmail.com> wrote:
> > Dear r-users,
> >
> > I would like to plot 4 graphs arranged as 2 by 2 and follows are my
> codes.
> > However, it only shows one graph.
> >
> > par(mfrow=c(1,2))
> >
> > par(mar=c(4,4,2,1.2),oma=c(0,0,0,0),xaxs="i", yaxs="i")  ## To control
> > white space around and between the plots
> > hist(stn_all[,1],prob=TRUE, main ="Balok ",col="yellowgreen",
> cex.axis=1.2,
> > xlab="Rain (mm)", ylab="Relative frequency", ylim= c(0,.004),
> > xlim=c(0,1200))
> > lines(x, dgam1,col="red",lwd=3)
> > legend("topright", legend = c("observed","fitted"),
> >        col = c("yellowgreen", "red"), pch=c(15,NA), lty = c(0, 1),
> >        lwd=c(0,3),bty="n", pt.cex=2)
> > text(100,.012 , expression(paste(beta==64.64)))
> > box()
> >
> > par(mar=c(4,4,2,1.2),oma=c(0,0,0,0),xaxs="i", yaxs="i")  ## To control
> > white space around and between the plots
> > hist(stn_all[,2],prob=TRUE, main ="Gambang ",col="yellowgreen",
> > cex.axis=1.2,
> > xlab="Rain (mm)", ylab="Relative frequency", ylim= c(0,.004),
> > xlim=c(0,1200))
> > lines(x, dgam2,col="red",lwd=3)
> > legend("topright", legend = c("observed","fitted"),
> >        col = c("yellowgreen", "red"), pch=c(15,NA), lty = c(0, 1),
> >        lwd=c(0,3),bty="n", pt.cex=2)
> > text(100,.012 , expression(paste(beta==64.64)))
> > box()
> >
> >
> > Thank you for your help.
> >
> > --
> > *Dr. Roslinazairimah Binti Zakaria*
> > *Tel: +609-5492370; Fax. No.+609-5492766*
> >
> > *Email: roslinazairimah at ump.edu.my <roslinazairimah at ump.edu.my>;
> > roslinaump at gmail.com <roslinaump at gmail.com>*
> > Deputy Dean (Academic & Student Affairs)
> > Faculty of Industrial Sciences & Technology
> > University Malaysia Pahang
> > Lebuhraya Tun Razak, 26300 Gambang, Pahang, Malaysia
> >
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> >
> > ______________________________________________
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> > PLEASE do read the posting guide
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> > and provide commented, minimal, self-contained, reproducible code.
>



-- 
*Dr. Roslinazairimah Binti Zakaria*
*Tel: +609-5492370; Fax. No.+609-5492766*

*Email: roslinazairimah at ump.edu.my <roslinazairimah at ump.edu.my>;
roslinaump at gmail.com <roslinaump at gmail.com>*
Deputy Dean (Academic & Student Affairs)
Faculty of Industrial Sciences & Technology
University Malaysia Pahang
Lebuhraya Tun Razak, 26300 Gambang, Pahang, Malaysia

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