Editorial, M. J. García-Ligero

What are compositional data and how should they be analyzed?, J. J. Egozcue

V. Pawlowsky-Glahn

Uncertainty in Discrete Facility Location, M. Albareda-Sambola, E. Fernández

A Reflection regarding the Official Data Treatment in Applied Statistics, L. Cerno

Effects on Labour of Transportation Infrastructure Investment: Empirical Studie, C. Cosculluela-Martínez, Raquel Ibar-Alonso

Open Science through Open Source Software, Open Data and Open Access, N. Rico, J. J. Merelo, Á. P. Hinojosa