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Ages assigned at two different times by Reader A to the otoliths of Jackass Morwong (Nemadactylus macropterus).
A data frame with 217 paired observations on the following 2 variables.
Ages assigned on the first reading
Ages assigned on the second reading
Age Comparison
Age Precision
Age Bias
Ageing Error
data(Morwong1) str(Morwong1) head(Morwong1) plot(second~first,data=Morwong1) xtabs(~first+second,data=Morwong1)
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