def instance(self, weights, normalized_weights=False):
        v = self.instance_vector(weights, normalized_weights=normalized_weights)
        return self.template_instance.from_vector(v)
Sets the creation counter value for this instance and increments the
dataset/ETHPy150Open menpo/menpo/menpo/model/pca.py/PCAModel.instance--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/models/manager.py/Manager._set_creation_counter