Table 5 Cross-correlation exponents considering the sales in units and nominal exchange rate (NER).

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

Method/time-series

Region I

Region II

Region III

DFA\(_1\)/NER

0.674 ± 0.003

0.444 ± 0.004

0.71 ± 0.02

DFA\(_1\)/sales

0.300 ± 0.007

0.154 ± 0.005

0.49 ± 0.02

DFA\(_0\)/NER

0.59 ± 0.01

0.473 ± 0.005

0.28 ± 0.03

DFA\(_0\)/sales

0.183 ± 0.009

0.308 ± 0.006

0.484 ± 0.004

DCCA\(_1\)

0.49 ± 0.01

0.358 ± 0.002

0.73 ± 0.03

DCCA\(_0\)

0.44 ± 0.01

0.425 ± 0.004

0.36 ± 0.01