Croaker1: Ages of Atlantic Croaker assigned from otoliths by two...

Description Format Topic(s) Source Examples

Description

Otolith age of Atlantic croaker (Micropogonias undulatus) from two readers.

Format

A data frame of 317 observations on the following 2 variables:

reader1

Age assigned by the first reader

reader2

Age assigned by the second reader

Topic(s)

Source

From Figure 2 in Chapter 1 (Atlantic Croaker) of the VMRC Final Report on Finfish Ageing, 1999 by the Center for Quantitative Fisheries Ecology at Old Dominion University.

Examples

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data(Croaker1)
str(Croaker1)
head(Croaker1)
plot(reader2~reader1,data=Croaker1)
xtabs(~reader1+reader2,data=Croaker1)

droglenc/FSAdata documentation built on June 5, 2019, 4:11 a.m.