Problem Note 9189: Output is incorrect when a RESTRICT statement is used with a GARCH model
When a restricted GARCH model is specified in PROC VARMAX (via the
GARCH= option on the MODEL statement along with a RESTRICT statement),
the resulting output, including the table of parameter estimates, is
incorrect. In addition, the following may appear in the SAS log:
WARNING: A total of 1 linearly dependent equality constraints are
NOTE: Deleted redundant linear constraints.
A fix for SAS 9.1.3 (9.1 TS1M3) for this issue is available at: