IODICE D'ENZA, Alfonso; SCHISA, Viviana; PALUMBO, Francesco. Principal component analysis for interval data: common approaches and variations. Statistica Applicata - Italian Journal of Applied Statistics, [S. l.], v. 33, n. 3, p. 249–270, 2022. DOI: 10.26398/IJAS.0033-013. Disponível em: https://www.sa-ijas.org/ojs/index.php/sa-ijas/article/view/162. Acesso em: 18 apr. 2024.