View source: R/dataset_methods.R
dataset_enumerate | R Documentation |
Enumerates the elements of this dataset
dataset_enumerate(dataset, start = 0L)
dataset |
A tensorflow dataset |
start |
An integer (coerced to a |
It is similar to python's enumerate
, this transforms a sequence of
elements into a sequence of list(index, element)
, where index is an integer
that indicates the position of the element in the sequence.
## Not run: dataset <- tensor_slices_dataset(100:103) %>% dataset_enumerate() iterator <- reticulate::as_iterator(dataset) reticulate::iter_next(iterator) # list(0, 100) reticulate::iter_next(iterator) # list(1, 101) reticulate::iter_next(iterator) # list(2, 102) reticulate::iter_next(iterator) # list(3, 103) reticulate::iter_next(iterator) # NULL (iterator exhausted) reticulate::iter_next(iterator) # NULL (iterator exhausted) ## End(Not run)
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