ToothAge: Radioactive Teeth

Description Format Source Examples

Description

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

Format

A data frame with 20 observations on the following 2 variables.

actual

a numeric vector

estimated

a numeric vector

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.

Examples

1
2
str(ToothAge)
xyplot(actual ~ estimated, ToothAge)

kmiddleton/abd documentation built on Feb. 25, 2018, 11:41 a.m.