The Modal / FRF Correlation tool is used to correlate modes and frequency responses between models.The values which can be calculated are the Modal Assurance Criterion (MAC), the AutoMAC and the Coordinate MAC (COMAC) for the correlation of modes and the corresponding values (FDAC, AutoFDAC, FRAC) for the correlation of frequency responses.Results from different sources are supported, thus any combination of FE and test models can be correlated (FE model – FE model, FE model - test model, test model - test model).Complex mode results are also supported.