frequency
Returns all frequency cell records associated with the named experiment, or an empty list if the experiment is not found or has no frequency data.
The join is: experiment → simulation_run (via SimulationRunTableData.exp_id_fk) → frequency (via FrequencyTableData.sim_run_id_fk).
Return
the matching FrequencyTableData records; empty if none exist
Parameters
exp
the experiment name whose frequency data is requested