Description
An object for storing data for analysis using data-limited methodsSlots
Name
- The name of the case-study
Year
- A vector of years that correspond to catch and relative abundance data
Cat
- Total annual catches
Ind
- Relative abundance index
t
- The number of years corresponding to AvC and Dt
AvC
- Average catch over time t
Dt
- Depletion over time t e.g. Bnow/Bthen
ML
- Mean length time series
Mort
- Natural mortality rate
FMSY_M
- An assumed ratio of FMSY to M
BMSY_B0
- The most productive stock size relative to unfished
L50
- Length at 50 percent maturity
L95
- Length at 95 percent maturity
Lbar
- Mean length of catches over Lc (modal length)
Lc
- Modal length
LFC
- Length at first capture
LFS
- smallest Length at full selection
CAA
- Catch at Age data
Dep
- Stock depletion Bnow/Bunfished (total stock)
Abun
- An estimate of absolute current vulnerable abundance
SpAbun
- An estimate of absolute current spawning stock abundance
vbK
- The von Bertalanffy growth coefficient
vbLinf
- Maximum length
vbt0
- Theoretical age at length zero
wla
- Weight-Length parameter alpha
wlb
- Weight-Length parameter beta
steep
- Steepness of the Beverton Holt stock-recruitment relationship
CV_Cat
- Coefficient of variation in annual catches
CV_Dt
- Coefficient of variation in depletion over time t
CV_AvC
- Coefficient of variation in average catches over time t
CV_Ind
- Coefficient of variation in the relative abundance index
CV_Mort
- Coefficient of variation in natural mortality rate
CV_FMSY_M
- Coefficient of variation in the ratio in FMSY/M
CV_BMSY_B0
- Coefficient of variation in the position of the most productive stock size relative to unfished
CV_Dep
- Coefficient of variation in current stock depletion
CV_Abun
- Coefficient of variation in estimate of absolute current stock size
CV_vbK
- Coefficient of variation in the von Bert. k parameter
CV_vbLinf
- Coefficient of variation in maximum length
CV_vbt0
- Coefficient of variation in age at length zero
CV_L50
- Coefficient of variation in length at 50 per cent maturity
CV_LFC
- Coefficient of variation in length at first capture
CV_LFS
- Coefficient of variation in length at full selection
CV_wla
- Coefficient of variation in weight-length parameter a
CV_wlb
- Coefficient of variation in weight-length parameter b
CV_steep
- Coefficient of variation in steepness
sigmaL
- Assumed observaton error of the length composition data
MaxAge
- Maximum age
Units
- Units of the catch/absolute abundance estimates
Ref
- A reference quota level
Ref_type
- Its type
Log
- A log of events
params
- A place to store estimated parameters
PosMPs
- The methods that can be applied to these data
MPs
- The methods that were applied to these data
OM
- A table of operating model conditions
Obs
- A table of observation model conditions
TAC
- The calculated TAC
TACbias
- The known bias in the calculated TAC
Sense
- The results of the sensitivity analysis
CAL_bins
- The length bins for the catch-at-length data
CAL
- Catch-at-length data
Cref
- Reference or target catch level
Iref
- Reference or target relative abundance index level
Bref
- Reference or target biomass level
CV_Cref
- CV for reference or target catch level
CV_Iref
- CV for reference or target relative abundance index level
CV_Bref
- CV for reference or target biomass level
CV_Rec
- CV for recent recruitment strength
Rec
- Recent recruitment strength
MPrec
- The previous recommendation of a management proceedure
MPeff
- The current level of effort
LHYear
- The last historical year of the simulation (before projection)
Misc
- Optional list which is passed to MPs
Objects from the Class
Objects can be created by calls of the form
new('DLM_data', stock)