ex1120 | R Documentation |
Data are the isotopic composition of structural bone carbonate
(X
) and the isotopic composition of the coexisting calcite
cements (Y
) in 18 bone samples from a specimen of the dinosaur
Tyrannosaurus rex. Evidence that the mean of Y
is positively
associated with X
was used in an argument that the metabolic
rate of this dinosaur resembled warm-blooded more than cold-blooded
animals.
ex1120
A data frame with 18 observations on the following 2 variables.
isotopic composition of bone carbonate
isotopic composition of calcite cements
Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.
Barrick, R.E. and Showers, W.J. (1994). Thermophysiology of Tyrannosaurus rex: Evidence from Oxygen Isotopes, Science 265(5169): 222–224.
ex0523
str(ex1120)
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