- improved structure of hexagonal topology - thanks to aznt00th - improved pca initialization - fixed bug affecting the topographic error - the main notebooks containing the examples are now covered by CI
2.3.1
- Introduce `use_epochs` parameter, when `True` it will keep learning rate and decay constant for an entire epoch. Thanks to jriege555 for submitting this change - Topographic Error can now be computed also for hexagonal grids. Thanks to TharindaDilshan - Fixed issue with pca initialization
2.3.0
- Activation functions can now be defined via callables, thanks to chicodelarosa - The method `distance_map` now has the parameter `neighbour_average` that allows the user to normalize the distances. Thanks to lbugnon