Giving different colors to plots of different levels of a factor can
be pleasing. For a boxplot, for example, the following produces a nice
plot:
boxplot(len~supp*dose, data=ToothGrowth, col=c(“orange”,”gray”))
If I try to specify (using the lattice package)
histogram(~len|supp*factor(dose), data=ToothGrowth, col=c("orange","gray"))
the effect is unexpected! (and certainly not desirable)
How does one do the same with histograms using the lattice package?
Also, how do I get more control over the colors of the "title bars"
for each pane in the lattice of graphs using the lattice package?
Ravi
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