Description Usage Arguments Value Note See Also Examples
Extract the sigma (magnitude of observation noise) that was used in a model, from survey or commercial abundance index data.
1 |
model |
fitted |
what |
which sigma to extract: |
series |
vector of strings indicating which gears or surveys to analyze (all by default). |
digits |
number of decimal places to use when rounding, or
|
Numeric vector of year-specific sigmas, or a list of such vectors when analyzing multiple series.
Thin wrapper to access model$element$CV
, providing a uniform
interface with other get*
and est*
functions.
See discussion in the estSigmaI
documentation.
getN
, getSigmaI
, getSigmaR
,
estN
, estSigmaI
, and
estSigmaR
extract and estimate sample sizes and sigmas.
scape-package
gives an overview of the package.
1 2 3 4 5 6 7 8 9 10 11 12 13 | ## Exploring candidate sigmas:
getSigmaI(x.cod) # sigma used in assessment 0.20
estSigmaI(x.cod) # model fit implies 0.17
## Multiple series:
getSigmaI(x.oreo, "c") # sigma used in assessment
getSigmaI(x.oreo, "c", digits=2) # rounded
estSigmaI(x.oreo, "c") # model fit implies smaller sigma
getSigmaI(x.oreo, "c", series="Series 2-1") # get one series
estSigmaI(x.oreo, "c", series="Series 2-1") # estimate one series
|
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