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view trafficintelligence/tests/ml.txt @ 1269:ca70a79688ae
adding a speed threshold to avoid computing TTC at very low speeds
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Wed, 05 Jun 2024 10:12:43 -0400 |
parents | aafbc0bab925 |
children |
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>>> 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