Who Looks After the Kids

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Description

A data set with Clutch Volume (cubic milimeters) and adult Body Mass (kg) in six different groups of animals: modern maternal-care bird species (Mat), modern paternal-care bird species (Pat), modern biparental-care bird species (BiPI), modern maternal-care crocodiles (Croc), non-avian maniraptoran dinosaurs thought to be ancestors of modern birds (Mani), and other non-avian dinosaurs (Othr). The question of interest was which group of modern creatures most closely matches the relationship in the maniraptoran dinosaurs.

Usage

1

Format

A data frame with 443 observations on the following 6 variables.

CommonName

the common name of the species

Genus

species genus

Species

species name

Group

a factor with 6 levels corresponding to the 6 groups of animals: "BiP", "Croc", "Mani", "Mat", "Othr", and "Pat"

BodyMass

the average body mass of individuals in the species (kg)

ClutchVolume

the total volume of all eggs in a clutch (average value for the species)

Source

Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.

References

Varricchio, D. J., Moore, J.r., Erickson, G.M., Norell, M.A., Jackon, F.D. and Borkowski, J.J. (2008) Avian Paternal Care Had Dinosaur Origin Science 322: 1826–1828

See Also

ex1923

Examples

1

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