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is there support for segmented or nested models? #1042
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I think it would be good to add an example along those lines. Have opened this. A Wolpert stack trains an array of models on different parts of the training data (to splice together "out-of-sample" predictions), which are then forwarded to an adjudicating model for training. So, for an example, you might take a look at this tutorial on rolling your own |
I am reading through the MLJ documentation and I don't see an example of how a learning network would implement a segmented or nested model, where an array of models would be fit on segments of the training data.
Similar to a h20 segmented model or R nestedmodels. I also think its possible to do this in mlr3.
Does this functionality exist in MLJ?
Thanks
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