ex0722: Crab Claw Size and Force
In Sleuth3: Data Sets from Ramsey and Schafer's "Statistical Sleuth (3rd Ed)"
ex0722 R Documentation
Crab Claw Size and Force
Description
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.
Usage
ex0722
Format
A data frame with 38 observations on the following 3 variables.
- Force
closing strength of claw of the crab
- Height
propodus height of claw of the crab
- Species
species to which the crab belongs
Source
Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A
Course in Methods of Data Analysis (3rd ed), Cengage Learning.
References
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.
Examples
str(ex0722)
Sleuth3 documentation built on Jan. 25, 2024, 3:01 p.m.
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| ex0722 | R Documentation |
Crab Claw Size and Force
Description
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.
Usage
ex0722Format
A data frame with 38 observations on the following 3 variables.
- Force
closing strength of claw of the crab
- Height
propodus height of claw of the crab
- Species
species to which the crab belongs
Source
Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.
References
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.
Examples
str(ex0722)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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