Work evidence

Data Analyst

Built a foundation in noisy human wearable data, ECG/HRV feature extraction, accelerometer calibration, labeling, and predictive modeling support.

iCAMP Research Group, University of Arizona · Sep 2014 – Jan 2017

Role focusEarly physiological-sensing role focused on chest-worn ECG/accelerometer data, environmental stress, fall-risk/frailty studies, calibration, labeling, and prediction workflows.
Projects1 documented projects

Responsibilities

What this role covered.

  • Analyzed chest-worn ECG and acceleration data from wearable physiological studies.
  • Performed ECG filtering, R-wave detection, R-R interval correction, and HRV feature generation.
  • Calibrated and reoriented 3D acceleration data for posture/activity classification.
  • Supported wearable-data feature extraction for environmental stress and fall-risk/frailty modeling.

Achievements

Evidence from the work.

  • Extracted ECG, HRV, posture, and activity features from 800+ hours of chest-worn wearable data across 31 subjects.
  • Built wearable physiological-data workflows spanning filtering, feature generation, calibration, labeling, and prediction support.

Technical range

Tools, systems, and engineering areas.

Physiological sensingECG / HRVAccelerometersData labelingCalibrationFeature engineeringPrediction workflowsTime-series analysis

Related projects

Projects completed within this role.