nltk.ContextIndex.common_contexts¶
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ContextIndex.
common_contexts
(words, fail_on_unknown=False)[source]¶ Find contexts where the specified words can all appear; and return a frequency distribution mapping each context to the number of times that context was used.
Parameters: - words (str) – The words used to seed the similarity search
- fail_on_unknown – If true, then raise a value error if any of the given words do not occur at all in the index.