Table 2 q-Multifractal \(DFA_1\) and \(DCCA_1\) with q = 2 exponents for the sales and inventory time series.

From: Multi-fractal detrended cross-correlation heatmaps for time series analysis

Region

Sales (\(\alpha \))

Inventory (\(\alpha \))

Sales and inventory(\(\lambda \))

I

0.303 ± 0.003

0.652 ± 0.008

0.556 ± 0.005

II

0.168 ± 0.001

0.086 ± 0.003

0.115 ± 0.002

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