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TensorFlow 1 version View source on GitHub

Loads the IMDB dataset.

path where to cache the data (relative to ~/.keras/dataset).
num_words max number of words to include. Words are ranked by how often they occur (in the training set) and only the most frequent words are kept
skip_top skip the top N most frequently occurring words (which may not be informative).
maxlen sequences longer than this will be filtered out.
seed random seed for sample shuffling.
start_char The start of a sequence will be marked with this character. Set to 1 because 0 is usually the padding character.
oov_char words that were cut out because of the num_words or skip_top limit will be replaced with this character.
index_from index actual words with this index and higher.
**kwargs Used for backwards compatibility.

Tuple of Numpy arrays: (x_train, y_train), (x_test, y_test).

ValueError in case maxlen is so low that no input sequence could be kept.

Note that the 'out of vocabulary' character is only used for words that were present in the training set but are not included because they're not making the num_words cut here. Words that were not seen in the training set but are in the test set have simply been skipped.