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chronax.theta_model

Theta Model — JAX-accelerated implementation. Implements the Standard Theta Method (STM), Optimized Theta Method (OTM), Dynamic Standard Theta Method (DSTM), and Dynamic Optimized Theta Method (DOTM) with full JAX JIT compilation and two-phase ADAM + L-BFGS optimization.

ModelType

chronax.theta_model.ModelType

Integer constants and name maps for Theta model variants.

Attribute Type Description
STM int Standard Theta Method (theta fixed at 2.0).
OTM int Optimized Theta Method (theta optimized).
DSTM int Dynamic Standard Theta Method (dynamic An/Bn, theta fixed at 2.0).
DOTM int Dynamic Optimized Theta Method (dynamic An/Bn, theta optimized).

Note: The public classes Theta and AutoTheta are defined in auto_theta.py and are re-exported here. Their detailed API reference is available in the chronax.auto_theta module documentation.