YTFlounder: Ages of Yellowtail Flounder assigned from scales and...

YTFlounderR Documentation

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. CSV file

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

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