Description Usage Arguments Value Author(s) Examples
View source: R/StochasticSRA.R
Catch at age and catch simulator.
1 2 3 4 5 6 7 8 9 10 11 12 | SRAsim(
OM,
qmult = 0.5,
CAApatchy = 0.4,
Cpatchy = 1,
Ipatchy = 0.4,
MLpatchy = 0.4,
nCAA = 100,
nL = 200,
sigmaE = 0.25,
sigmaI = 0.1
)
|
OM |
An operating model object with M, growth, stock-recruitment and maturity parameters specified. |
qmult |
Fraction of natural mortality rate that is mean fishing mortality (Fishing catchability multiplier) |
CAApatchy |
The fraction of years that have catch at age data |
Cpatchy |
The fraction of years that have catch data |
Ipatchy |
The fraction of years that have index data |
MLpatchy |
The fraction of years that have mean length data |
nCAA |
The number of independent annual catch at age observations (same among all years) |
nL |
The number of independent annual catch at length observations (same among all years) for calculating mean length |
sigmaE |
Level of simulated interannual variability in effort (F) expressed as a lognormal SD |
sigmaI |
Observation error in relative abundance indices expressed as a lognormal SD |
A list: Chist = historical catch series,Recdevs = historical recruitment deviations (mean = 1), CAA = catch at age matrix, N = numbers at age matrix, SSB = annual spawning biomass, FM = Fishing mortality rate at age matrix, M = natural mortality rate classy
T. Carruthers (Canadian DFO grant)
1 |
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