Autor: Josep Antoni Martín-Fernández

Josep Antoni Martín-Fernández holds a degree in Mathematics. He received his Ph D from the Polytechnic University of Catalonia, where he worked on measurements of difference and the non-parametric classification of compositional data. He is currently a Professor at the Department of Computer Science, Applied Mathematics and Statistics of the University of Girona, Spain. His interests primarily lie in the statistical analysis of compositional data, where he focuses on cluster analysis, rounded zeros and missing data. Santiago Thió-Henestrosa holds a Ph D in Computer Science from the Polytechnic University of Catalonia. He is a Professor at the Department of Computer Science, Applied Mathematics and Statistics of the University of Girona, Spain. He organized the first Compositional Data Analysis Workshop in 2003 and is the author of Co Da Pack, currently the only user-friendly software available for Compositional Data Analysis.