An abstract base class for the data backends: DoubleMLBaseData #173
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Description
This PR introduces a new abstract base class
DoubleMLBaseData
The goal is to disentangle the basic data handling, from the handling of the causal model (i.e. which variable is the treatment variable etc.).Comments
The overall goal is to make it easier to write new data backends. Note however that the handling of the multiple treatment case is currently a pretty fundamental / core part of the implementation of the base class
DoubleML
. Therefore, it wasn't yet possible to completely get rid of properties liked_cols
orn_treats
in the base classDoubleMLBaseData
.PR Checklist