Finite-Size Scaling in Extreme Statistics

We study the deviations from the limit distributions in extreme value statistics arising due to the finite size (FS) of data sets. A renormalization method is introduced for the case of independent, identically distributed (iid) variables, showing that the iid universality classes are subdivided according to the exponent of the FS convergence, which determines the leading order FS shape correction function as well. It is found that, for the correlated systems of subcritical percolation and 1/fα stationary (α<1) noise, the iid shape correction compares favorably to simulations. Furthermore, for the strongly correlated regime (α>1) of 1/fα noise, the shape correction is obtained in terms of the limit distribution itself.

Note:

4 pages, 3 figures

05.40.-a
05.45.Tp
02.50.-r

References(16)

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