[R] passing arguments to FUN in lapply

Adaikalavan Ramasamy ramasamy at cancer.org.uk
Fri Mar 18 14:29:03 CET 2005


See Andy Liaw's and my suggestion to this post
http://files.protsuggest.org/biocond/html/7818.html


On Fri, 2005-03-18 at 11:40 +0000, Pingping Zheng wrote:
> Suppose I have a nx2 matrix of data, X, the following code generate
> density estimation for each column and plot them
> 
> denlist <- apply(X, 2, density)
> par(mfrow=c(1,2))
> lapply(denlist, plot)
> 
> Does anyone know how to change the main title of each density plot
> to "var 1", "var 2" by passing optional argument "main"? I've tried
> 
> lapply(denlist, plot, main=c("var 1", "var 2"))
> which generates two same titles "var 1/var 2" and "var 1/var 2"
> 
> lapply(denlist, plot, main=list("var 1", "var 2"))
> which generates two same titles "var 1"
> 
> Both are not I want.
>




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