code: def coords(self):
      # The group is _always_ added as a coordinate. Maybe there's a cleaner way
      coords = {}
      expr, factor = self.name.split("|")
      coords[factor + "__factor_dim"] = self.groups
  
      if self.categorical:
          coords[expr + "__expr_dim"] = self.term.expr.levels
      elif self.predictor.ndim == 2 and self.predictor.shape[1] > 1:
          coords[expr + "__expr_dim"] = np.arange(
              self.predictor.shape[1]
          )
      return coords
  
imports: import numpy
  import formulae.terms
  from bambi.terms.base import BaseTerm, VALID_PRIORS
  from bambi.priors.prior import Prior
label_desc: Use image node_id 5 for calling the GroupSpecificTerm obj's underlying member method code with example usage: obj.coords() and returns: coords