| tasab {MQMF} | R Documentation |
tasab is a matrix of abalone maturity-at-length data
Description
tasab is a 715 x 4 matrix of maturity-at-length data for blacklip abalone (Haliotis rubra) from two sites along the Tasmanian west coast. All data was collected in February 1995, but details, such as site name, accurate location, statistical block, year, month, and other details have been omitted for brevity. See section on maturity within the Static Models chapter for detailed use of this data-set.
Format
A data.frame of maturity-at-length data
- site
an identifier for the two different sites sampled
- sex
I = immature, M = male, F = female
- length
the shell length in mm
- mature
was the animal mature = 1 or not = 0
Subjects
maturity ogives or logistic curves
Binomial likelihoods
Source
Many thanks to the Institute of Marine and Antarctic Science, which is part of the University of Tasmania, and especially to Dr Craig Mundy, leader of the Abalone Group, for permission to use this data collected in February 1995.
Examples
data(tasab)
head(tasab,20)
table(tasab$site,tasab$sex)