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You might want to reduce the window size for it not to exceed the size of your series

@Kin Gtz. Olivares is that controlled by windows_batch_size?

Yes, the windows_batch_size controls the size of lags+horizon

@Farzad E I think you should reduce

input_size

@Cristian (Nixtla) Thanks. Passing input_size explicitly in the config worked. Passing windows_batch_size by itself did not work. That one threw an error about missing input_size and then not finding the best trial. It seems that with AutoNHITS there are certain options that cannot be passed as stand alone so if we want to specify them in the config we have to pass others like input_size in the config as well (i.e., the algorithm is not going to take that one option from the config and apply all other defaults for anything else not passed in the config).

When a hyperparameter is not specified in the config, it will use the default values of the

NHTIS

.

input_size

does not have a default value, so you should always include it in the config

Ahh that makes sense. Should have paid more attention to the default values.