Comment on "Parameter-free scaling for nonequilibrium growth processes"

In the paper [Phys.Rev.E Vol.79, 051605 (2009)] by Chou and Pleimling a claim is made that a parameter-free scaling that gives data collapse for some simulation models would replace universal Family-Vicsek (FV) scaling. Here, by giving the explicit form of this scaling for competitive growth models, it is shown that data collapse in this procedure is obtained by a shift-and-scale operator that gives no information about stochastic dynamics and has no relation with FV function.

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