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annotate trafficintelligence/tests/ml.txt @ 1154:2795d0e114c9

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deal with possibility of prototype with speed 0 that crashes motion prediction
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Wed, 09 Sep 2020 16:28:38 -0400
parents aafbc0bab925
children
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1 >>> from math import fabs
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2 >>> from numpy import ones
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3 >>> from trafficintelligence.ml import prototypeCluster
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5 >>> nTrajectories = 7
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6 >>> similarityFunc = lambda x, y: 1.-fabs(x-y)/(nTrajectories-1)
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7 >>> similarities = -ones((nTrajectories, nTrajectories))
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8 >>> prototypeIndices = prototypeCluster(range(nTrajectories), similarities, 1., similarityFunc, optimizeCentroid = True) # too large to be similar
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9 >>> len(prototypeIndices) == nTrajectories
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10 True
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11 >>> # could use lists to have a length