Ages of Bluefish assigned from otoliths by two readers.
Ages assigned to Bluefish (Pomatomus saltatrix) otoliths by two readers.
A data frame with 445 observations on the following 2 variables.
Ages assigned by the first reader
Ages assigned by the second reader
Age Comparison
Age Precision
Age Bias
Ageing Error
From Figure 2 in Chapter 3 (Bluefish) of the VMRC Final Report on Finfish Ageing, 2003 by the Center for Quantitative Fisheries Ecology at Old Dominion University.
data(BluefishAge) str(BluefishAge) head(BluefishAge) plot(r1~r2,data=BluefishAge)
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