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Choosing a method

Data & workflow

Reading data and wear-time detection

From raw acceleration

Batch processing and reporting

Method families

Nonparametric rhythm metrics

Cosinor models

Period and spectral analysis

Fractal and nonlinear dynamics

Sleep and rest detection

Phase, regularity, and social jet lag

Beyond the basics: profile, decomposition, and finer metrics

Nonstationary and complex rhythms

Codebook & validation

Output codebook (metrics data dictionary)

Validation against reference packages