There are many common blocks. The reason may be that more blocks are needed to learn, and a lot of prior knowledge is added to the interpretability method.
The finer-grained temporal data is more unstable.
https://github.com/amitesh863/nbeats_forecast
https://arxiv.org/pdf/1905.10437v3.pdf
github:
GitHub - amitesh863/nbeats_forecast: N-Beats library implementation