commonsense team mailing list archive

[Ken Arnold <kenneth.arnold@xxxxxxxxx>]

Public bug reported:

I think the u and v_similarity functions in svd.py are incorrect since
they use sigma instead of sigma-squared. They should be like:

self.weighted_u(idx1) * self.weighted_u(idx2)

Does anyone use these functions?

** Affects: divisi
     Importance: Undecided
         Status: New

-- 
[u,v]_similarity incorrect
https://bugs.launchpad.net/bugs/402786
You received this bug notification because you are a member of
Commonsense Computing, which is the registrant for Divisi.

Status in Divisi: New

Bug description:
I think the u and v_similarity functions in svd.py are incorrect since they use sigma instead of sigma-squared. They should be like:

self.weighted_u(idx1) * self.weighted_u(idx2)

Does anyone use these functions?