mindspore.dataset.transforms.Duplicate
- class mindspore.dataset.transforms.Duplicate[source]
Duplicate the input tensor to output, only support transform one column each time.
- Raises
RuntimeError – If given tensor has two columns.
- Supported Platforms:
CPU
Examples
>>> # Data before >>> # | x | >>> # +---------+ >>> # | [1,2,3] | >>> # +---------+ >>> data = [[1,2,3]] >>> numpy_slices_dataset = ds.NumpySlicesDataset(data, ["x"]) >>> numpy_slices_dataset = numpy_slices_dataset.map(operations=transforms.Duplicate(), ... input_columns=["x"], ... output_columns=["x", "y"], ... column_order=["x", "y"]) >>> # Data after >>> # | x | y | >>> # +---------+---------+ >>> # | [1,2,3] | [1,2,3] | >>> # +---------+---------+