You need to first run Main.m; This will generate featuers and run different regression algorithm.
For GMDH you need to save Data_ParameterBased;
Then, you use example.m and load your saved feature to train GMDH.
Raspberry folder contains code that will run on raspberry to estimate BP on embedded device.
Mohebbian, M.R., Dinh, A., Wahid, K. and Alam, M.S., 2020. Blind, cuff-less, calibration-free and continuous blood pressure estimation using optimized inductive group method of data handling. Biomedical Signal Processing and Control, 57, p.101682.