MLZ_data-class {MLZ} | R Documentation |
MLZ_data
Description
An S4 class for storing data and life history parameters for a single stock.
Method functions summary
and plot
are available for this class (see examples).
Slots
Stock
Name of stock.
Year
A vector of years to be considered in the model. Missing years are permitted.
Len_bins
A vector of midpoints of length bins for
Len_matrix
.Len_matrix
A matrix of size data. The i-th row corresponds to the i-th year in
MLZ_data@Year
. The j-th column indexes the j-th length inMLZ_data@Len_bins
.Len_df
A data frame containing individual length observations. The first column should be the Year and the second column should be the length.
vbLinf
L-infinity from the von Bertalanffy growth function.
vbK
Parameter K from the von Bertalanffy growth function.
vbt0
Parameter t0 from the von Bertalanffy growth function.
Lc
Length of full selectivity.
M
Natural mortality rate. If specified, this is also the lower limit for Z.
lwb
Exponent
b
from the allometric length-weight functionW = aL^b
.MeanLength
Vector of mean lengths of animals larger than Lc. The i-th entry corresponds to the i-th year in
MLZ_data@Year
.ss
Vector of annual sample sizes for MeanLength. The i-th entry corresponds to the i-th year in
MLZ_data@Year
.CPUE
Vector of catch-per-unit-effort data. The i-th entry corresponds to the i-th year in
MLZ_data@Year
.Effort
Vector of effort data. The i-th entry corresponds to the i-th year in
MLZ_data@Year
.length.units
Unit of measurement for lengths, i.e. "cm" or "mm".
Examples
data(Goosefish); Goosefish
summary(Goosefish)
plot(Goosefish)
new("MLZ_data")