GTM(Generative Topographic Mapping), SGTM(Sparse GTM) and GTMR (GTM Regression) codes for Python and MATLAB including demonstration of GTM and hyperparameter selection based on k3n error(k-nearest neighbor normalized error for visualization and reconstruction)
For more details on GTM, please see http://datachemeng.com/generativetopographicmapping/.
For more details on SGTM, please see https://pubs.acs.org/doi/10.1021/acs.jcim.8b00528 or https://datachemeng.com/sgtm/.
For more details on k3n error, please see http://datachemeng.com/k3nerror/ or https://www.sciencedirect.com/science/article/pii/S0169743918300698.
For more details on GTMR, please see https://datachemeng.com/gtmmlr_gtmr_paper/ or https://onlinelibrary.wiley.com/doi/abs/10.1002/minf.201800088.
You can install this python module by executing the following command:
git clone https://github.com/hkaneko1985/gtm-generativetopographicmapping.git
cd gtm-generativetopographicmapping/Python
pip install -e .