[R] boxplot and number of observations per box

David Hewitt dhewitt37 at gmail.com
Wed Jan 30 18:15:24 CET 2008

> How can I plot the number of observations per box in a boxplot.

As usual, there's probably a more elegant solution, but this will do it:

p <- rnorm(100)
diddy <- boxplot(z)
text(1, diddy$stats[3]+0.4, paste("n = ", diddy$n))

see ?text and ?boxplot

David Hewitt
Virginia Institute of Marine Science
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