Introduction: Pulmonary function testing, or spirometry, is a validated, globally recognized test that contributes to the diagnosis, staging, and longitudinal follow-up of lung diseases. The exam is ...
Abstract: Objective. Photoplethysmography (PPG) technology is the basis of most wearable cardiovascular health monitoring devices. PPG-based monitoring typically uses heart rate (HR) analysis.
Quadratic regression is a classical machine learning technique to predict a single numeric value. Quadratic regression is an extension of basic linear regression. Quadratic regression can deal with ...