method_of Van Soest method using NIRS calibration for cellulose determination in the NDF - Computation Cellulose concentration obtained from the Van Soest reference analyses, predicted using a Near Infra Red Spectroscopy (NIRS) calibration and calculated in reference to the Cell Wall Residue (CWR) content (estimated through the Neutral Detergent Fiber, NDF). The NIRS calibration information has to be provided. Method abbreviation: VSCellNDFNIRS. entity variable_of scale_of attribute acronym