Stalk-eyed Fly Eyespan
Eyespan width (mm; Eye.span) in 45 stalk-eyed flies
(Cyrtodiopsis dalmanni) fed a corn or cotton diet (Food).
A data frame with 45 observations on the following 2 variables.
a factor with levels Corn
Cotton
a numeric vector
David, P., T. Bjorksten, K. Fowler, and A. Pomiankowski. 2000. Condition-dependent signalling of genetic variation in stalk-eyed flies. Nature 406: 186-188.
str(Stalkies2) xyplot(eye.span ~ food, Stalkies2) aggregate(eye.span ~ food, Stalkies2, FUN = favstats)
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