def isAncestorOf(self, other):
    if isinstance(other, Key):
      return other._string.startswith(self._string + '/')
    raise TypeError('%s is not of type %s' % (other, Key))
Compute the log likelihood, log p(x|z), at time index i and put the
dataset/ETHPy150Open datastore/datastore/datastore/core/key.py/Key.isAncestorOf--crossover with--dataset/ETHPy150Open HIPS/pgmult/pgmult/particle_lds.py/_CategoricalLikelihood.logp