Hartwig, Frederick Exploratory data analysis / Frederick Hartwig, Brian E. Dearing. - Beverly Hills, CA. : SAGE, 1979 - 83 p. - Quantitative Applications in the Social Sciences ; . ISBN: 0-8039-1370-2 Subjects--Topical Terms: Ciencias Sociales --Métodos EstadísticosEstadística Descriptiva - Dewey Class. No.: 300.5 / Q1