Table 3 Full list of features used for model training
From: Accelerometer-based predictive models of fall risk in older women: a pilot study
Category | Features |
|---|---|
Signal-based features | Mean |
Standard deviation (STD) | |
Root mean squared (RMS) | |
Autocorrelation coefficient (ACC) | |
Coefficient of variance (COV) | |
Mean crossing rate (MCR) | |
Signal magnitude area (SMA) | |
Peak-to-peak amplitude (P2P) | |
Peak frequency (PFREQ) | |
Energy | |
Mean amplitude deviation (MAD) | |
XY cross-correlation (XY_CORR) | |
YZ cross-correlation (YZ_CORR) | |
XZ cross-correlation (XZ_CORR) | |
Traditional measures of gait | Cadence [steps/minute] |
Stride time [seconds](mean and standard deviation) | |
Step time [seconds] (mean and standard deviation) |
