ToothAge | R Documentation |
Actual birth year and birth year estimated from relative radioactivity of the enamel for 20 samples.
ToothAge
A data frame with 20 observations on the following 2 variables.
a numeric vector
a numeric vector
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.
str(ToothAge)
xyplot(actual ~ estimated, ToothAge)
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