Research Article
Stress Detection Using Low Cost Heart Rate Sensors
Table 7
Statistical significance of the observed features ordered by
value.
| Feature | value |
| Mean RR | 0.0001 | Mean HR | 0.0001 | HF (ms2) | 0.0054 | pNN50 | 0.0103 | NN50 | 0.0128 | LF (ms2) | 0.0128 | RMSSD | 0.0255 | Poincaré plot, SD1 | 0.0268 | HRV triangular index | 0.0456 | VLF (%) | 0.0745 | STD RR | 0.1583 | HF (%) | 0.1583 | Poincaré plot, SD2 | 0.2725 | LF/HF | 0.4565 | VLF (ms2) | 0.4565 | TINN | 0.5967 | Power (n.u.)-HF | 0.7390 | Power (n.u.)-LF | 0.7539 | STD HR | 0.9687 |
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