Hello, I have a numerical variable (x) and a series of categories. I would like to make a box plot of x against each of the categories. How can I arrange the data so that I can accomplish it with lattice? At the moment I got this: ``` df = data.frame(x = c(rep(1,5), rep(2,5), rep(3,5)), y = rnorm(15), f1 = rep(letters[1:5],3), f2 = rep(letters[7:9],5), f3 = c(rep(LETTERS[10:12],4), LETTERS[10:12])) df$x = factor(df$x) df$f1 = factor(df$f1) df$f2 = factor(df$f2) df$f3 = factor(df$f3) library(lattice) bwplot(y ~ x, data = df, auto.key = TRUE ) ``` Also, is it possible to have the wishers in solid line? Thank you
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