See post on 25 Feb 09 for the calculations of permutations.
Linear case:
load metrica_alfabetapnas_lineal
>> m=aproximametrica(coste_real,coste_perm,1)
m =
6.7742e-012
Exponent 0.5:
>> load metrica_alfabetabayes_cerocinco
>> m=aproximametrica(coste_real,coste_perm,1)
m =
8.6886e-025