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

Jason Rupert jasonkrupert at yahoo.com
Mon Nov 23 14:58:11 CET 2009


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


 


----- 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. 
> 
> 
> 
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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> 
> 







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