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Variance-covariance matrix for an Rceattle fit

Source: R/0-rceattle_class.R
vcov.Rceattle.Rd

Returns the fixed-effect covariance matrix produced by TMB::sdreport(). Random-effect covariance is not returned here — use object$sdrep for the full report.

Usage

# S3 method for class 'Rceattle'
vcov(object, ...)

Arguments

object

An object of class "Rceattle" returned by fit_mod().

...

Currently unused.

Value

A numeric matrix, or NULL if sdreport was not run (i.e. the fit was produced with getsd = FALSE).