[R] Plot with two different coloured regression lines and legend

[John Kane]

Untested but
abline(lm(sabund[[i]]~sbif[[i]]), col=i)
may do it.

It would be better to have a working example to test.
--- yvo <yvo.fabian at gmx.de> wrote:

> 
> It is a trivial problem, but in the book I couln`t
> figure out how to put
> different colours at different regression lines 
> 
> plot(bif,abund,type="n", xlab=
> "number_bifurcations", ylab="abundances")
> sbif<-split(bif,stage)
> sabund<-split(abund,stage)
> points(sabund[[2]],sbif[[2]],pch=16, col="red")
> for(i in 1:2) abline(lm(sabund[[i]]~sbif[[i]]))
> 
> Thanks in advance
> Yvonne Fabian
> -- 
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