Abstract
A comment on “Measuring fractality” by Stadnitski (2012)
Highlights
Edited by: Radhakrishnan Nagarajan, University of Kentucky, USA Reviewed by: Rathinaswamy B
Stadnitski (2012) evaluates one simple reaction time (SRT) series, and concludes it is not a genuine fractal signal. This conclusion is intriguing, because it was previously argued that SRT series typically present genuine 1/f scaling (Van Orden et al, 2003; Wagenmakers et al, 2004)
Using the R-code made available in the Stadnitski tutorial, it is evaluated whether monofractal methods are “distinctly inferior” to the ARFIMA method
Summary
Edited by: Radhakrishnan Nagarajan, University of Kentucky, USA Reviewed by: Rathinaswamy B. In a recent publication Stadnitski (2012) presented an overview of methods to estimate fractal scaling in time series, outlined as an accessible tutorial1. Stadnitski proposes an analytic strategy that consists of fitting 18 models to any time series.
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