Intelligent HR Metrics Formula Creation

Heart Rate Data Analysis & Formula Development

I am looking for a skilled freelancer with a background in sports physiology, biomedical engineering, or data science to support the development of formulas and algorithms derived from heart rate (HR) and R–R interval data.

Scope of Work:

The requirement includes deriving and validating formulas for:

Heart Rate Metrics
Heart Rate (HR)
Resting Heart Rate (RHR)
Heart Rate Variability (HRV) Parameters
RMSSD
SDNN
pNN50
ln(RMSSD)
Training Metrics
Heart Rate Zones (Karvonen method)
Training Load (TRIMP or equivalent)
Time in Zone (TIZ)
Heart Rate Recovery (HRR)
Sleep & Recovery Metrics
Sleep stage estimation (HR/HRV-based)
Sleep score modeling
Recovery/readiness score
Expected Deliverables:
Mathematical formulas with clear explanations
Step-by-step calculation workflow from raw R–R data
Suggestions for signal processing (filtering, smoothing, artifact removal)
Optional: Python / MATLAB implementation
Preferred Expertise:
Experience with HRV analysis or wearable sensor data
Knowledge of sports science or athlete monitoring systems
Familiarity with tools/apps like Elite HRV is a plus
Project Type:
Short-term / consultancy (can extend based on quality of work)