Is Computable Standard Errors

Generic function to test if all parameters have numerically computable standard errors.

Usage

ssd_computable(x, ...)

# S3 method for class 'tmbfit'
ssd_computable(x, ...)

# S3 method for class 'fitdists'
ssd_computable(x, ...)

Arguments

x

The object.

...

Unused.

Value

A flag for each distribution indicating if all parameters have numerically computable standard errors.

A flag indicating if all parameters have numerically computable standard errors.

A logical vector for each distribution indicating if all parameters have numerically computable standard errors.

Methods (by class)

• ssd_computable(tmbfit): Is Computable Standard for tmbfit Object

• ssd_computable(fitdists): Is At Boundary for fitdists Object

Examples

fits <- ssd_fit_dists(ssddata::ccme_boron, 
  dists = c("lnorm", "lnorm_lnorm", "burrIII3")
)
ssd_computable(fits$lnorm)
#> [1] TRUE
ssd_computable(fits$lnorm_lnorm)
#> [1] TRUE
ssd_computable(fits$burrIII3)
#> [1] FALSE

fits <- ssd_fit_dists(ssddata::ccme_boron, 
  dists = c("lnorm", "lnorm_lnorm", "burrIII3")
)
ssd_computable(fits)
#>       lnorm lnorm_lnorm    burrIII3 
#>        TRUE        TRUE       FALSE