References

Complex regression versus making it a real problem https://stats.stackexchange.com/questions/66088/analysis-with-complex-data-anything-different

Random gaussian noise for complex data https://stackoverflow.com/questions/55700338/how-to-generate-a-complex-gaussian-white-noise-signal-in-pythonor-numpy-scipy

Robust models in statsmodels - particularly for the robust norms https://www.statsmodels.org/stable/examples/notebooks/generated/robust_models_1.html