ex0722 | R Documentation |
As part of a study of the effects of predatory intertidal crab species on snail populations, researchers measured the mean closing forces and the propdus heights of the claws on several crabs of three species.
ex0722
A data frame with 38 observations on the following 3 variables.
closing strength of claw of the crab
propodus height of claw of the crab
species to which the crab belongs
Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.
Yamada, S.B. and Boulding, E.G. (1992). Claw Morphology, Prey Size Selection and Foraging Efficiency in Generalist and Specialist Shell-Breaking Crabs. Journal of Experimental Marine Biology and Ecolog, 220 191–211.
str(ex0722)
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