Hello,
I am trying to create individual concentration-time spaghetti plots sorted
by dose, and within each dose to show two different colors for a
categorical variable (gender). I cant find a way to add the color for
gender. Groups=ID enables individual lines for each subject. If I use
groups=gender, there will be two colors, but the lines between subjects are
connected.
This is what I have so far:
xyplot(Conc~Time| orderedDose, data=d, groups=ID, layout=c(4,1),
cex=0.5,type=b, strip =strip.custom(par.strip.text=list(cex=0.7)))
Please let me know how this could be done.
Thank you for your attention,
Ana
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