[R] Plot matrix as many lines

Chuck Cleland ccleland at optonline.net
Fri Jun 6 21:41:08 CEST 2008


On 6/6/2008 3:01 PM, Alberto Monteiro wrote:
> Suppose that I have a matrix like:
> 
> m <- rbind(c(1,2,3,4), c(2,3,2,1))
> 
> Is there any way to efficiently plot the _lines_ as if
> I was doing:
> 
> plot(m[1,], type="l")
> points(m[2,], type="l", col="red")
> 
> (of course, in the "real world" there much more than
> just 2 lines and 4 columns...)

m <- rbind(c(1,2,3,4), c(2,3,2,1))
matplot(t(m), type="l")

?matplot

> Alberto Monteiro
> 
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Chuck Cleland, Ph.D.
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