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speedup explain_weights_sklearn_crfsuite when there is a lot of classes #164

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kmike opened this issue Mar 25, 2017 · 0 comments
Open

speedup explain_weights_sklearn_crfsuite when there is a lot of classes #164

kmike opened this issue Mar 25, 2017 · 0 comments

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@kmike
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kmike commented Mar 25, 2017

explain_weights_sklearn_crfsuite calls crf_state_coef which builds a feature matrix for all classes, even if only a few classes are requested. It can be slow (I've seen ~20s); it is better to apply targets filter in crf_state_coef as well.
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