Figure 6
From: Single-lead ECG based autonomic nervous system assessment for meditation monitoring
Correlation coefficient between raw tachogram (xRAW) and each RSA-free tachogram (\(\overline{{\varvec{x}} }\)R-f); \(\overline{{\varvec{x}} }\)R-f of Gauss (green boxes and dotted line); \(\overline{{\varvec{x}} }\)R-f of ARMAx (blue boxes and dashed line); \(\overline{{\varvec{x}} }\)R-f of OSP (yellow boxes and dash-dotted line); \(\overline{{\varvec{x}} }\)R-f of ZLE (red boxes and solid line).
