Implemented systemtest test_r1rho_kjaergaard_missing_r1, for safety check if R1 data is not loaded.
The systemtest passes, so target function is safe.
Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.
Authored by: tlinnet 2014-06-18
Parent: [r24072]
Child: [r24074]
