MQMF (version 0.1.1)

tigers: tigers is tiger prawn recruitment data from Penn & Caputi 1986

Description

tigers is a dataset of only 14 rows of data with a column of Spawning index and Recruitment index, as a data.frame. The timing of the recruitment index is up to half a year after the spawning index.

Format

A data.frame of spawning recruitment data

Spawn

the estimated spawning biomass index in a year (Aug - Oct)

Recruit

estimated recruitment from the biomass in each year (Mar - May)

Subjects

• Stock-recruitment curves

• Beverton-Holt and Ricker Models

• Static model fitting

Examples

# NOT RUN {
 data(tigers)
 tigers
 oldpar <- par(no.readonly=TRUE)
 plot1(tigers$Spawn,tigers$Recruit,type="p",pch=16,cex=1.25)
 par(oldpar)
# }