Hello, Try, if your data.frame is named 'animal',
boxplot(weight ~ breed, data = animal) Hope this helps, Rui Barradas Em 15-03-2015 03:50, Lyle Warren escreveu:
I have data with columns for animal ID, breed, and weight. I'd like to create a box plot of weight, separated by breed (there are 4 breeds). Any ideas? Here's a sample of the data (there are 100 rows): id weight breed 1 453 brahman 2 527 brahman 3 520 brahman 4 460 brahman 5 496 brahman 6 461 brahman 7 519 brahman 8 472 brahman 9 531 brahman 10 473 brahman 11 509 brahman 12 503 brahman Thanks for your help![[alternative HTML version deleted]] ______________________________________________ [email protected] mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
______________________________________________ [email protected] mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.

