Mercurial Hosting > traffic-intelligence
view trafficintelligence/tests/ml.txt @ 1156:f7fbe624fff7
added helper functions for categorical variables
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
---|---|
date | Fri, 25 Sep 2020 11:56:59 -0400 |
parents | aafbc0bab925 |
children |
line wrap: on
line source
>>> from math import fabs >>> from numpy import ones >>> from trafficintelligence.ml import prototypeCluster >>> nTrajectories = 7 >>> similarityFunc = lambda x, y: 1.-fabs(x-y)/(nTrajectories-1) >>> similarities = -ones((nTrajectories, nTrajectories)) >>> prototypeIndices = prototypeCluster(range(nTrajectories), similarities, 1., similarityFunc, optimizeCentroid = True) # too large to be similar >>> len(prototypeIndices) == nTrajectories True >>> # could use lists to have a length