“…6 The relative distribution is a well-established approach to distributional analysis. At present, it has been employed by Alderson et al (2005), Massari et al (2009a, b), Doran (2011, 2013), Borraz et al (2013), Clementi and Schettino (2015), Nissanov and Pittau (2016), Petrarca and Ricciuti (2016), Clementi et al (2017Clementi et al ( , 2018Clementi et al ( , 2019aClementi et al ( , 2019b, and Nissanov (2017). 7 Here we limit ourselves to illustrating the basic concepts behind the use of the relative distribution method.…”