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The Generation of the Fat Tails distributions RICCARDO LUCCIO Dipartimento di Psicologia “G. Kanizsa”, Università di Trieste 8th Alps-Adria Psychology.

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Presentation on theme: "The Generation of the Fat Tails distributions RICCARDO LUCCIO Dipartimento di Psicologia “G. Kanizsa”, Università di Trieste 8th Alps-Adria Psychology."— Presentation transcript:

1 The Generation of the Fat Tails distributions RICCARDO LUCCIO Dipartimento di Psicologia “G. Kanizsa”, Università di Trieste 8th Alps-Adria Psychology Conference - October 3, 2008 Ljubljana

2 Benford’s law (Newcomb, 1881)

3 Pareto’s Law

4 Lorenz’ Law

5 Zipf’ law

6 Heap’s law

7 Other heavy tail distributions Bradford’s law; Lotka’s law; Towns/inhabitants; Gerbino’s law; Firms/workers; Web accesses;

8 Drugs/pharmaceutical groups It follows the Zipf’ law:

9 Schultz

10 Alliterations All follow Lorenz’law:

11 “Il Piacere” by D’Annunzio a=-2.832b=7.524c= d=1.327R 2 =0.979

12 “Il Bacio” by Invernizio a=-.430b=12.612c= d=-1.755R 2 =0.989

13 “Discorso” by Leopardi a=2.529b=9.806c= d=-1.176R 2 =0.976


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