Forcing extra iterations
!EXTRA
!EXTRA n
requests an extra
mod( n,10) rounds of iteration after apparent
convergence. The default for n is 1. This qualifier has lower
priority than
!MAXIT,
ABORTASR.NOW and
FINALASR.NOW.
Convergence is judged by changes in the
REML log-likelihood value and variance parameters. However,
sometimes the variance parameter convergence criteria has not
been satisfied when the LogL criterion has been met.
Usually the divergence is inconsequential but !EXTRA
allows the user to perform extra iterations.
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