example_hmm.Rmd to conditionally
load Nop_hmm only if {fHMM} namespace is
available to avoid CRAN checks failing.Adapted to the new {optimizeR} version.
$trace() method transferred to the
{trackopt} package.
Some changes in the API.
$trace() method to capture the steps during
optimization with stats::nlm().Nop. See
the documentation ?Nop for details.