Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Features computed on both the accelerometer and gyroscope data to train the symptom detection classifier
| Feature | Feature dimension |
|---|---|
| Range (X,Y,Z) | 3 |
| Skew (X,Y,Z) | 3 |
| Kurtosis (X,Y,Z) | 3 |
| Cross-correlation peak (XY,XZ,YZ) | 3 |
| Cross-correlation lag (XY,XZ,YZ) | 3 |
| Dominant frequency (acceleration magnitude) | 1 |
| Relative magnitude | 1 |
| Moments of power spectral density (acceleration magnitude) | 4 |
| Moments of Jerk magnitude | 4 |
| Sample entropy (X,Y,Z) | 3 |
