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. 2020 Sep 4;8:164012–164034. doi: 10.1109/ACCESS.2020.3021952

TABLE 6. Correlation Coefficients Between Country Pairs.

Correlation Coefficient, R China France Germany Italy Spain Turkey UK USA
China 1 0.62640685 −0.1795882 0.02134012 0.50360116 −0.1232921 0.01180925 −0.3709889
France 0.62640685 1 −0.3059618 0.02498707 0.04795931 −0.2380957 −0.0916445 −0.6562742
Germany −0.1795882 −0.3059618 1 0.08040289 0.34262272 0.24667393 0.07811075 0.20395324
Italy 0.02134012 0.02498707 0.08040289 1 0.30283785 0.11679214 0.79029593 0.0983885
Spain 0.50360116 0.04795931 0.34262272 0.30283785 1 0.03679665 0.35842576 −0.0286716
Turkey −0.1232921 −0.2380957 0.24667393 0.11679214 0.03679665 1 0.12739537 0.10123804
UK 0.01180925 −0.0916445 0.07811075 0.79029593 0.35842576 0.12739537 1 0.21701357
US −0.3709889 −0.6562742 0.20395324 0.0983885 −0.0286716 0.10123804 0.21701357 1