Figure 4 - uploaded by Giulia Lioi
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5: Covariance matrix Σ ε,0 of the scMVAR residuals ε averaged for the 100 iterations. The diagonal elements σ ii represent the variance of residuals. The off-diagonal elements σ 2 ij represent the cross-covariance between residuals and indicate the presence of zero-lag effects.
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General anaesthesia has been used for more than two centuries to guarantee unconsciousness, analgesia and immobility during surgery, yet our ability to evaluate the level of anaesthesia of the patient remains insufficient. This contributes on one hand to occasional episodes of intraoperative awareness and recall and on the other to ‘controlled’ drug...
