title: Extensions of object oriented data analysis.
abstract: This is a discussion of the following paper: 'Overview of object oriented data analysis' by J. Steve Marron and Andrés M. Alonso.
authors.affiliation: Departamento de Estadística, Universidad de Valparaíso, Valparaíso, 2340000, Chile.
authors.forename: Freddy Omar López
authors.initials: FO
authors.lastname: Quintero
authors.affiliation: Departamento de Matemática, Universidad Técnica Federico Santamaría, Valparaíso, Chile.
authors.forename: Emilio
authors.initials: E
authors.lastname: Porcu
mesh_terms: D000078332:Data Analysis
keywords: Fréchet mean; Principal component analysis; Principal geodesic analysis; Shape statistics; Spatial data