nltk.chunk.accuracy()

nltk.chunk.accuracy(chunker, gold)[source]

Score the accuracy of the chunker against the gold standard. Strip the chunk information from the gold standard and rechunk it using the chunker, then compute the accuracy score.

Parameters:
  • chunker (ChunkParserI) – The chunker being evaluated.
  • gold (tree) – The chunk structures to score the chunker on.
Return type:

float