FSAdata (version 0.3.0)

Morwong2: Ages of Morwong assigned from otoliths by Reader B at two times.

Description

Ages assigned at two different times by Reader B to the otoliths of Jackass Morwong (Nemadactylus macropterus).

source

Extracted from table 6 of Restall, J.E., and K. Krusic-Golub. 2004. Development of jackass morwong age-length keys for 2000-2002. Final report to Australian Fisheries Management Authority. 13 pp. Primary Industries Research Victoria, Queenscliff. Available at http://web-test.afma.gov.au/wp-content/uploads/2010/07/r03_1724b.pdf.

Topic(s)

• Age comparison
• Age precision
• Age Bias
• Ageing error

concept

Age Precision Bias 'Age Comparison'

Examples

data(Morwong2)
str(Morwong2)
head(Morwong2)
plot(second~first,data=Morwong2)
xtabs(~first+second,data=Morwong2)