FSAdata: YTFlounder – R documentation

Become an expert in R — Interactive courses, Cheat Sheets, certificates and more!

YTFlounder

Ages of Yellowtail Flounder assigned from scales and otoliths.

Description

Ages of commercially caught Georges Bank Yellowtail Flounder (Limanda ferruginea) as determined by scales, whole otoliths, or otolith cross-sections.

Format

A data frame with 27 paired observations on the following 3 variables.

scale: Ages assigned from scales
whole: Ages assigned from whole otoliths
cross: Ages assigned from cross-sections of otoliths

Topic(s)

Age Comparison
Age Precision
Age Bias
Ageing Error

Source

From tables in Annex 3 of Walsh, S.J. and J. Burnett. 2002. The Canada-United States yellowtail flounder age reading workshop: 28-30 November 2000, St. John's, Newfoundland. North Atlantic Fisheries Organization. Scientific Council Studies 35:1-59.

Examples

data(YTFlounder)
str(YTFlounder)
head(YTFlounder)
op <- par(mfrow=c(2,2),pch=19)
plot(scale~whole,data=YTFlounder)
plot(scale~cross,data=YTFlounder)
plot(whole~cross,data=YTFlounder)
par(op)

FSAdata

Data to Support Fish Stock Assessment ('FSA') Package

v0.3.8

GPL (>= 2)

Authors

Derek Ogle [aut, cre] (<https://orcid.org/0000-0002-0370-9299>)

Initial release

2019-05-17