Alejandro

.yml environment channels

1

Pytorch and pytorch lightning downloads take a lot of time depending on the download channel, and some HTTP issues arise: 1. Pytorch: CondaHTTPError: HTTP 000 CONNECTION FAILED for URL 2....

NBEATS forward is returning all-nan forecasts

2

The forward method from the NBEATS model (https://github.com/Nixtla/nixtlats/blob/a3c7442a4c16c255685e158c9347d045f87ffa3b/nixtlats/models/nbeats/nbeats.py#L402) is returning all-nan forecast tensors. The real issue comes from the forecast method (https://github.com/Nixtla/nixtlats/blob/a3c7442a4c16c255685e158c9347d045f87ffa3b/nixtlats/models/nbeats/nbeats.py#L431) when the argument return_decomposition is set to False....

Anti-nan protection in MASS Loss is masking all-nan forecast tensors

1

There is a difference in the anti-nan protection for the MASE Loss function used by ElementAI and the one we are using: ElementAI only uses the divide_no_nan function over the...

Missing assert statement: Nbeats 'n_hidden' argument

1

When instantiating a Nbeats model, the init() argument 'n_hidden' must be a list of lists, one per 'stack_type,' so each corresponding set of NBeatsBlock is initialized passing a list as...