how to plot numeric variable against several categories with lattice bwplot?

Luigi,
For *solid whiskers* try:
bwplot(~ y | f2, df, 
layout=c(3,1),par.settings=list(box.umbrella=list(lty=1)))
Gerrit

Op 17-01-2022 om 12:00 schreef r-help-request at r-project.org:

how to plot numeric variable against