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Fig. 8 | Brain Informatics

Fig. 8

From: On the statistical performance of Granger-causal connectivity estimators

Fig. 8

cMVGC versus GCT performance (K = 2000) clusters along lines, with high \(b=0.8329 \pm 0.5741\) coefficient spread (median \(=0.8417\); minimum \(=0.1762\); and maximum \(=2.3323\)), confirming cMVGC’s abnomal behaviour. Connections out of \(x_6\) are consistently clustered above the 45° line, which contrasts with those reaching the \(x_1\) and \(x_6\) consistently with low cMVGC FP values (top left) (except for \(x_5 \rightarrow x_1\)). cMVGC abnormality is apparent as FP values differ much from 10 as should happen for \(\alpha =1\,\%\). cMVGC-corrected FPs (separated by slash) do not improve the situation

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