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

In FSAdata: Data to Support Fish Stock Assessment ('FSA') Package

Ages of Morwong assigned from otoliths by two readers.

Description

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

Format

A data frame with 58 paired observations on the following 2 variables.

readerA

Ages assigned by Reader A

readerB

Ages assigned by Reader B

Topic(s)

• Age Comparison

• Age Precision

• Age Bias

• Ageing Error

Source

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. CSV file

Examples

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

FSAdata documentation built on Aug. 24, 2023, 5:06 p.m.