FSAdata: YPerchSB1 – R documentation

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YPerchSB1

Lengths for Yellow Perch from two locations in Saginaw Bay, Lake Michigan.

Description

Length measurements for Yellow Perch (Perca flavescens) from two locations – inner and outer bay – in Saginaw Bay, Lake Michigan.

Format

A data frame with 2074 observations on the following 2 variables:

tl: Measured total length (cm).
loc: Location of capture (inner or outer).

Topic(s)

Length Frequency
Size Structure
PSD

Source

Simulated (uniform distribution of values within length bin) from summarized length frequencies in Figure 2 (top) in Diana, J.S. and R. Salz. 1990. Energy storage, growth, and maturation of yellow perch from different locations in Saginaw Bay, Michigan. Transactions of the American Fisheries Society 119:976-984.

Examples

data(YPerchSB1)
str(YPerchSB1)
head(YPerchSB1)
op <- par(mfrow=c(1,2),pch=19)
with(subset(YPerchSB1,loc=="inner"),hist(tl,main="Inner"))
with(subset(YPerchSB1,loc=="outer"),hist(tl,main="Outer"))
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