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TensorFlow 2 version View source on GitHub

Creates a dataset that deterministically chooses elements from datasets.

For example, given the following datasets:

datasets = [tf.data.Dataset.from_tensors("foo").repeat(),

# Define a dataset containing `[0, 1, 2, 0, 1, 2, 0, 1, 2]`.
choice_dataset = tf.data.Dataset.range(3).repeat(3)

result = tf.data.experimental.choose_from_datasets(datasets, choice_dataset)

The elements of result will be:

"foo", "bar", "baz", "foo", "bar", "baz", "foo", "bar", "baz"

datasets A list of tf.data.Dataset objects with compatible structure.
choice_dataset A tf.data.Dataset of scalar tf.int64 tensors between 0 and len(datasets) - 1.

A dataset that interleaves elements from datasets according to the values of choice_dataset.

TypeError If the datasets or choice_dataset arguments have the wrong type.