Log-Free  Divergence and Covariance Matrix for Compositional Data I: The Affine/Barycentric Approach. Austrian Journal of Statistics, [S. l.], v. 55, n. 2, p. 105–152, 2026. DOI: 10.17713/ajs.v55i2.2203. Disponível em: https://www.ajs.or.at/index.php/ajs/article/view/2203. Acesso em: 15 jun. 2026.