[R] draw n-1 lines with n X and n Y

David Winsemius dwinsemius at comcast.net
Tue Aug 25 19:24:34 CEST 2009

On Aug 25, 2009, at 12:15 PM, mirko86 wrote:

> I want to draw lines using a matrix with the X-axe on the first  
> column, and
> the the Y-axe on the second column.
> These lines have to link the n points of a graph, so they are n-1,  
> but the
> resout using  these two commands:
> 		X <- matrix(scan("MaxInterEdges.R",0), ncol=2);
> 		lines(X[,1], X[,2], type = "l", col = "red");


... but I am a bit confused, because you need both an X and a Y for  
each pair of points.

> is wrong, becose the lines are many more.
> What can I do?

You _could_ post reproducible code.


David Winsemius, MD
Heritage Laboratories
West Hartford, CT

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