mindspore.dataset.Dataset.apply
- Dataset.apply(apply_func)[source]
Apply a function in this dataset.
- Parameters
apply_func (function) – A function that must take one Dataset as an argument and return a preprocessed Dataset .
- Returns
Dataset, a new dataset with the above operation applied.
Examples
>>> import mindspore.dataset as ds >>> dataset = ds.GeneratorDataset([i for i in range(10)], "column1") >>> >>> # Declare an apply_func function which returns a Dataset object >>> def apply_func(data): ... data = data.batch(2) ... return data >>> >>> # Use apply to call apply_func >>> dataset = dataset.apply(apply_func)