Erratum: Erratum to "A measure of variance for hierarchical nominal attributes"
Authors:
Josep Domingo-Ferrer;Agusti Solanas
Affiliations:
Universitat Rovira i Virgili, UNESCO Chair in Data Privacy, Dept. of Computer Engineering and Maths, Av. Paısos Catalans 26, E-43007 Tarragona, Catalonia, Spain;Universitat Rovira i Virgili, UNESCO Chair in Data Privacy, Dept. of Computer Engineering and Maths, Av. Paısos Catalans 26, E-43007 Tarragona, Catalonia, Spain