Generator to create slices containing batch_size
elements from 0 to n
.
The last slice may contain less than batch_size
elements, when batch_size
does not divide n
.
Size of the sequence.
Number of elements in each batch.
Minimum number of elements in each batch.
batch_size
elements
Examples
>>> from sklearn.utils import gen_batches >>> list(gen_batches(7, 3)) [slice(0, 3, None), slice(3, 6, None), slice(6, 7, None)] >>> list(gen_batches(6, 3)) [slice(0, 3, None), slice(3, 6, None)] >>> list(gen_batches(2, 3)) [slice(0, 2, None)] >>> list(gen_batches(7, 3, min_batch_size=0)) [slice(0, 3, None), slice(3, 6, None), slice(6, 7, None)] >>> list(gen_batches(7, 3, min_batch_size=2)) [slice(0, 3, None), slice(3, 7, None)]
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