getSigmaR: Extract Recruitment sigma
In scape: Statistical Catch-at-Age Plotting Environment

Description Usage Arguments Value Note See Also Examples

Extract sigma R (recruitment variability) that was used in a model, as indicated in the Dev$sigmaR model component.

1	getSigmaR(model, digits=NULL)

`model`	fitted `scape` model containing element `Dev`.
`digits`	digits

number of decimal places to use when rounding, or NULL to suppress rounding.

Vector of two numbers, representing recruitment variability in (1) the estimated age composition in the first year, and (2) subsequent annual recruitment.

Thin wrapper to access model$Dev$sigmaR, providing a uniform interface with other get* and est* functions.

See discussion in the estSigmaR documentation.

getN, getSigmaI, getSigmaR, estN, estSigmaI, and estSigmaR extract and estimate sample sizes and sigmas.

getSigmaR(x.cod)  # sigmaR used in assessment 0.5 and 1.0
estSigmaR(x.cod)  # model estimates imply 0.20 and 0.52

getSigmaR(x.ling)  # 0.6, deterministic age distribution in first year
estSigmaR(x.ling)  # model estimates imply 0.36

getSigmaR(x.sbw)
estSigmaR(x.sbw)  # large deviates in first year
plotN(x.sbw)      # enormous plus group and 1991 cohort

# x.oreo assessment had deterministic recruitment, so no deviates