[R] Question on xyplot

[Carl Witthoft]

you didn't show us the code you used to generate the legend.
I'm guessing you want to add to the legend list something like "lty=0:7" .



KB wrote
> I recently started using R, so I'm not really experienced with it. My
> question is on adjusting xyplots to get lty lines instead of coloured
> lines. 
> 
> My datasets looks about this:
> year    area    species        x
> 1998      1         x1          0.005
> 1998      2         x2          0.006
> etc. 
> 
> year is factor from 1967 to 2013
> area is factor from 1 to 10
> species if factor, with 7 species
> 
> the following code works:
> xyplot(x~Year|Area, data=prob2, groups=Species, type="l", auto.key=TRUE)
> 
> but then I have all coloured lines. 
> 
> when I insert lty=0:7, col="black", it works, however my legend stays with
> different colours 
> 
> What do I have to insert in my code to get black lty lines also in the
> legend? 
> 
> Thanks in advance!





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