[R] getting multiple plots on a single plot

[Vihan Pandey]

On 22 March 2012 21:06, David Winsemius <dwinsemius at comcast.net> wrote:
>
> On Mar 22, 2012, at 3:18 PM, Vihan Pandey wrote:
>
>> Hi all,
>>
>> I have the following R script :
>>
>>
>> #!/usr/bin/Rscript
>>
>> out_file = "hybrid.pdf"
>> pdf(out_file, height=8.5, width=11)
>
>
> At this point (assuming that you want three separate plots on the same page
> which is unclear but you do use different titles and ylabs, so I think this
> is implied) you would either be using layout()
>
> ?layout
>
> .... or par() with arguments mfrow, mfcol, or mfg.
>
> ?par

Thanks David, I'm a newbie at R and am not familiar with par() and
layout(), I will check them out!

Cheers!

- vihan

>
>>
>> myvalues_1M <- read.csv("hybrid_sims_1M.csv",head=TRUE,sep=",")
>> plot(myvalues_1M$num_sims_per_thread,myvalues_1M$time_per_sim,xlab="Number
>> of Simulations per Thread",ylab="Time per 1 million Simulations(in
>> milliseconds)",col="red",main="For 1 million simulations")
>> lines(myvalues_1M$num_sims_per_thread,myvalues_1M$time_per_sim,col="red")
>
>
> If on the other hand you want one plot frame with overlaid point/lines/etc,
> then you should be determining your x and y limits before any plots and
> putting in the same limits for each plot Adding all your labels on the first
> plot and using:
>
> par(new=TRUE) # which seems completely backward to me.
>
> # I say again ...
> ? par
>
>
>>
>> myvalues_5M <- read.csv("hybrid_sims_5M.csv",head=TRUE,sep=",")
>> plot(myvalues_5M$num_sims_per_thread,myvalues_5M$time_per_sim,xlab="Number
>> of Simulations per Thread",ylab="Time per 1 million Simulations(in
>> milliseconds)",col="blue",main="For 5 million simulations")
>> lines(myvalues_5M$num_sims_per_thread,myvalues_5M$time_per_sim,col="blue")
>>
>> myvalues_10M <- read.csv("hybrid_sims_10M.csv",head=TRUE,sep=",")
>>
>> plot(myvalues_10M$num_sims_per_thread,myvalues_10M$time_per_sim,xlab="Number
>> of Simulations per Thread",ylab="Time per 1 million Simulations(in
>> milliseconds)",col="green",main="For 10 million simulations")
>>
>> lines(myvalues_10M$num_sims_per_thread,myvalues_10M$time_per_sim,col="green")
>>
>> dev.off()
>>
>> print(paste("Plot was saved in:", getwd()))
>>
>>
>>
>> This generates a 3 page pdf file with a plot on each page. They look like
>> this :
>>
>> http://s17.postimage.org/ud9ej1cnj/alpha1.png
>> http://s13.postimage.org/7q3snqsrr/alpha2.png
>> http://s14.postimage.org/sf374f12p/alpha3.png
>>
>> I want to plot all the 3 in one graph, in one page with the respective
>> colours - red, blue, and green. Any ideas on how?
>>
>> Thanks,
>>
>> - vihan
>>
>> ______________________________________________
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>> and provide commented, minimal, self-contained, reproducible code.
>
>
> David Winsemius, MD
> West Hartford, CT
>