John Benediktsson
1c5d417100
math.vectors: rename "v." to "vdot"
2020-02-26 12:40:16 -08:00
John Benediktsson
2cbcacad88
core/basis/extra: update some tags.txt.
2020-02-26 10:57:08 -08:00
Doug Coleman
9f213f96f6
core: Add the shuffler words but without primitives.
...
The nipd branch slowed bootstrap by a minute, this patch does not.
sorry about changing the fjsc line endings...
2018-06-19 22:52:58 -05:00
John Benediktsson
86778b349c
math.similarity: adding weighted-cosine-similarity.
2017-10-24 17:29:06 -07:00
John Benediktsson
aa5623eede
math: using ``v.`` instead of ``v* sum`` in a few places.
2017-10-24 12:26:39 -07:00
John Benediktsson
37902e3903
math.similarity: add another test for pearson-similarity.
2017-10-24 11:46:44 -07:00
John Benediktsson
ee1bfc7fc2
math.similarity: change cosine-similarity to match math formula.
...
Specifically, instead of returning values [0,1], we now return [-1,1]:
* −1 meaning exactly opposite
* 1 meaning exactly the same
* 0 indicating orthogonality (decorrelation)
* in-between values indicating intermediate similarity or dissimilarity.
2017-10-24 11:45:03 -07:00
John Benediktsson
1e413edf3a
math.statistics: rename full-* to population-*.
2012-11-06 07:16:20 -08:00
John Benediktsson
bab0f663ae
math.similarity: fix tests, not sure this is the correct definition.
2012-05-08 08:05:31 -07:00
John Benediktsson
6b8d802985
math.similarity: adding a few similarity metrics.
2012-05-03 10:57:30 -07:00