[R] How to add a top level title to multiple plots

[Peter Ehlers]

Jason Rupert wrote:
> In the example below, is there any way to get the top title, i.e. "Distribution Comparisons", in a bit from the top margin?  
> 
> Thanks agian
> 
Your par(oma=...) needs to come _before_ plotting; make it the
first statement.
In addition, title() takes a line= argument; try line=0.5 or
even line=-1.0.

  -Peter Ehlers

> 
>  
> 
> 
> ----- Original Message ----
> From: Jason Rupert <jasonkrupert at yahoo.com>
> To: Peter Ehlers <ehlers at ucalgary.ca>
> Cc: R Project Help <R-help at r-project.org>; Me <jasonkrupert at yahoo.com>
> Sent: Sat, November 21, 2009 12:31:04 AM
> Subject: Re: [R] How to add a top level title to multiple plots
> 
> Cool. 
> 
> I ended up with the following:
> 
> 
> 
> par(mfrow = c(2, 2))
> # Plot 1
> plot(rnorm(10),type="l",col="red")
> title(main = list(paste("Normal"),
>       col="black", cex = 1.0))
> 
> 
> # Plot 2
> plot(rpois(10, 4),type="l",col="blue")
> title(main = list(paste("Poison"),
>       col="black", cex = 1.0))
> 
> 
> # Plot 3
> plot(rnbinom(10, mu = 4, size = 100),type="l",col="green")
> title(main = list(paste("Binomial"),
>       col="black", cex = 1.0))
> 
> # Plot 4
> plot(runif(10),type="l",col="black")
> title(main = list(paste("Uniform"),
>       col="black", cex = 1.0))
> 
> 
> title("Distribution Comparisons", outer = TRUE)
> 
> # c(bottom, left, top, right)
> par(oma=c(2,2,3,2))
> 
> 
> Thanks again. 
> 
> 
> 
> 
> 
> ----- Original Message ----
> From: Peter Ehlers <ehlers at ucalgary.ca>
> To: Jason Rupert <jasonkrupert at yahoo.com>
> Cc: R-help at r-project.org
> Sent: Fri, November 20, 2009 5:23:33 PM
> Subject: Re: [R] How to add a top level title to multiple plots
> 
> 
> Jason Rupert wrote:
>> How can I add an overall plot title to these four plots? 
>> I would like to have something that says, "Distribution Comparisons":
>>
> title("Distribution Comparisons", outer = TRUE)
> 
> But you may have to make room for it with par(oma=...).
> 
> -Peter Ehlers
> 
>> par(mfrow = c(2, 2))
>> # Plot 1
>> plot(rnorm(10),type="l",col="red")
>> title(main = list(paste("Normal"),
>>                           col="black", cex = 1.0))
>>
>>
>> # Plot 2
>> plot(rpois(10, 4),type="l",col="blue")
>> title(main = list(paste("Poison"),
>>                           col="black", cex = 1.0))
>>
>>
>> # Plot 3
>> plot(rnbinom(10, mu = 4, size = 100),type="l",col="green")
>> title(main = list(paste("Binomial"),
>>                           col="black", cex = 1.0))
>>
>> # Plot 4
>> plot(runif(10),type="l",col="black")
>> title(main = list(paste("Uniform"),
>>                           col="black", cex = 1.0))
>>
>>
>> Thanks again for any feedback and insights. 
>>
>>
>>
>> ______________________________________________
>> R-help at 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.
>>
>>
> 
> 
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> 
>