def apply(self, dataset, can_fit=False):
        X = dataset.get_design_matrix()
        X_norm = numpy.sqrt(numpy.sum(X ** 2, axis=1))
        X /= X_norm[:, None]
        dataset.set_design_matrix(X)
Converts a datetime value to a string.
dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/datasets/preprocessing.py/MakeUnitNorm.apply--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/endpoints-proto-datastore/endpoints_proto_datastore/utils.py/DatetimeValueToString