handle short series exception

Nixtla / mlforecast

Scalable machine 🤖 learning for time series forecasting.

https://nixtlaverse.nixtla.io/mlforecast

Apache License 2.0

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handle short series exception #256

Closed jmoralez closed 11 months ago

jmoralez commented 11 months ago

Description

With the polars addition the target transformations are now applied on arrays which don't have the ids available, so an exception was implemented that could be catched in the TimeSeries object which knows the ids and can provide a more informative error message. This implements that message.

Checklist:

[x] This PR has a meaningful title and a clear description.
[x] The tests pass.
[x] All linting tasks pass.
[x] The notebooks are clean.

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