core consistency diagnostic

initialism: CONCORDIA
https://doi.org/10.1351/goldbook.10090

Method to assess the appropriateness of a PARAFAC model.

Notes:
  1. An appropriate PARAFAC model is a model where the components primarily reflect low-rank, trilinear variation in the data.
  2. The principle of the method is to assess the degree of superdiagonality of the model.
Source:
PAC, 2016, 88, 407. 'Vocabulary of concepts and terms in chemometrics (IUPAC Recommendations 2016)' on page 418 (https://doi.org/10.1515/pac-2015-0605)