Fix for the replacement value for invalid values in model MMQ CR72.
The value was set to use r20, but should instead be 1e100.
Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.
Authored by: tlinnet 2014-06-24
Parent: [r24273]
Child: [r24275]
