“…The specific morphological traits in the city's development have been clearly described by changes in the vertical profile (Serra & Pinho, 2011). As commonly observed in other Mediterranean and middle-east urban agglomerations, compactness and diffusion in a mono-centric city such as Athens are reflected in both informal settlement expansion and chaotic urban planning (Costa, Noble, & Pendleton, 1991;Economidou, 1993;Gospodini, 2006Gospodini, , 2009Kourliouros, 1997;Paul & Tonts, 2005;Richardson & Chang-Hee, 2004;Turok & Mykhnenko, 2007;Weber & Puissant, 2003). The use of exploratory data analysis overcame the complexity found in Mediterranean urban contexts as far as city's forms and socioeconomic conditions are concerned (Muñoz, 2003).…”