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RokIvansek / attribute-interactions

A python implementation of attribute interactions. An Orange add-on (scripting part only).
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Find the bottleneck in calculating entropies and info gains #2

Closed RokIvansek closed 8 years ago

RokIvansek commented 8 years ago

Find an efficient way to use np.unique on an np.array generated by cartesian function. The current way of converting to strings and using map to glue values together takes way to long for big datasets.

RokIvansek commented 8 years ago

This was solved using an implementation on: http://blog.biolab.si/2012/06/15/computing-joint-entropy-in-python/

Ironicaly it was on biolabs blog all along...