spectral_index_fitting – Calculating spectral index in different condition

A constant spectral index model

• ULSA.spectral_index_fitting.spectral_index_analysis_for_constant

A spatial-variance spectral index model

• ULSA.spectral_index_fitting.spectral_index_analysis_for_direction_dependence

A frequency dependent spectral index model

• ULSA.spectral_index_fitting.spectral_index_analysis_for_direction_dependence