Modelling and Simulation in Engineering / 2012 / Article / Fig 2

Research Article

SDNN/RMSSD as a Surrogate for LF/HF: A Revised Investigation

Figure 2

Calculation of the Pearson correlation coefficient of SDNN/RMSSD and LF/HF. The period of sampled epoch is 5 minutes and the number of subjects is 32. The correlation coefficient 𝑟 is determined by the slope of the regression line and the determination coefficient R-Sq.

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