Dear R-Users,
Is there a quick solution to plot colours based on a variable?
I tried something like this:
library(nlme)
plot(BodyWeight)
# Does NOT work!
colDiet = c(2:4)[BodyWeight$Diet]
plot(BodyWeight, col = colDiet)
# Wastes space
rat.fit = lme(weight ~ Time + Diet, data = BodyWeight, random = ~ Time|Rat)
plot(rat.fit, weight ~ Time | Rat + Diet)
Is there a quick way to base the colour on the Diet variable?
Many thanks,
Leonard
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