Examine dataset

[jbrodovsky]

The following errors happen when processing the raw dataset:

1. Error processing data/raw/2025-06-13_14-55-15: Gyroscope.csv does not exist.
2. Error processing data/raw/2025-06-08_20-39-13: Trajectory is too short. Minimum required is 300 seconds. Trajectory is 147.56575634765625 seconds.
3. TotalAcceleration.csv not found, using Accelerometer.csv instead: [Errno 2] No such file or directory: 'data/raw/2025-07-08_14-12-53/TotalAcceleration.csv'