SyntheticDifferenceInDifferencesWeightFitter.build_mapping# SyntheticDifferenceInDifferencesWeightFitter.build_mapping(X, y, coords=None)[source]# Construct the unit- and time-weight graph without sampling. Parameters: X (dict[str, DataArray]) – Unit- and time-weight design matrices. y (dict[str, DataArray]) – Unit- and time-weight target arrays. coords (dict[str, Any] | None) – Coordinate metadata shared by the two modules. Return type: None