abd (version 0.1-22)

ToothAge: Radioactive Teeth

Description

Actual birth year and birth year estimated from relative radioactivity of the enamel for 20 samples.

Usage

data(ToothAge)

source

Spalding, K.L., B.A. Buchholz, L.-E. Bergman, H. Druid, and J. Frisén. 2005. Age written in teeth by nuclear tests. Nature 437: 333-334.

References

http://www.nature.com/nature/journal/v437/n7057/full/437333a.html

Examples

data(ToothAge)
str(ToothAge)
xyplot(actual ~ estimated, ToothAge)