<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def manifold(self, transformer):
 """ Creates the manifold estimator if a string value is passed in, validates other objects passed in. """

        if not is_estimator(transformer):
            if transformer not in self.ALGORITHMS:
                raise YellowbrickValueError(
                    "could not create manifold for '%s'".format(str(transformer))
                )

            # Create a new transformer with the specified params
            self._name = MANIFOLD_NAMES[transformer]
            transformer = clone(self.ALGORITHMS[transformer])
            params = {
                "n_components": 2,
                "n_neighbors": self.n_neighbors,
                "random_state": self.random_state,
            }

            for param in list(params.keys()):
                if param not in transformer.get_params():
                    del params[param]

            transformer.set_params(**params)

        self._manifold = transformer
        if self._name is None:
            self._name = self._manifold.__class__.__name__