Jaccard.score() returns NaN if both strings empty

Anonymous — Wed, 08 Apr 2009 01:35:20 -0000

Jaccard.score(s1, s2) returns NaN if both strings have zero tokens. this happens when both strings are empty, or the tokenizer doesn't find any tokens (NGram tokenizer with minNGramSize > size of the string)

It should *probably* return 0.

Recent changes to 4: Jaccard.score() returns NaN if both strings empty

Jaccard.score() returns NaN if both strings empty