Somata

*March 2024*

New features

- Introduce a spectral factorization method to initialize oscillator parameters
- Introduce DecomposedOscillatorModel to supersede the iOsc algorithm in most applications
- Rename iterative_oscillator module to oscillator_search
- Introduce diagnostic plotting and statistical tests for analyzing residuals
- Introduce dynamic source localization with oscillator models utilizing GPU processing

Closed issues

- Fix an issue with h_t and y lengths in _m_update_r
- Fix an extra parameter in basic_models_demo
- Unify the output arguments of spectrum as (psd, freq)
- Update instruction on editable pip install to work with static code analyzers

*June 2023*

New features

- Update iterative oscillator algorithm to use new routines
- Introduce switching module for switching state-space models

Closed issues

- Fix an issue of iOsc only adding AR1 component to slow oscillation
- Fix plotting issues of the multitaper module

*November 2022*

New features

- Introduce iterative oscillator algorithm

Closed issues

- Fix mathjax rendering of state-space equations in README.md

*October 2022*

New features

- Introduce four basic state-space model classes: StateSpaceModel, OscillatorModel, AutoRegModel, GeneralSSModel
- Add exact inference algorithms with Gaussian noise processes for the introduced basic models
- Add expectation-maximization(EM) learning algorithm using a general run_em() wrapper function

Closed issues

- StateSpaceModel.\_initialize_from_components() method now works correctly with the .concat\_() method