Cosine Similarity
Miki Tebeka
miki.tebeka at gmail.com
Thu Dec 6 23:17:46 EST 2012
On Thursday, December 6, 2012 2:15:53 PM UTC-8, subhaba... at gmail.com wrote:
> I am looking for some example of implementing Cosine similarity in python. I searched for hours but could not help much. NLTK seems to have a module but did not find examples.
Should be easy with numpy:
import numpy as np
def cos(v1, v2):
return np.dot(v1, v2) / (np.sqrt(np.dot(v1, v1)) * np.sqrt(np.dot(v2, v2)))
HTH,
--
Miki
More information about the Python-list
mailing list