FSAdata (version 0.3.0)

Morwong3: Ages of Morwong assigned from otoliths by two readers.

Description

Ages assigned by two different readers to the otoliths of Jackass Morwong (Nemadactylus macropterus).

source

Extracted from table 7 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(Morwong3)
str(Morwong3)
head(Morwong3)
plot(readerB~readerA,data=Morwong3)
with(Morwong3,table(readerA,readerB))