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POHow can i get highest frequency terms out of TD-idf vectors , for each files in scikit-learn?
 

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  1. POHow can i get highest frequency terms out of TD-idf vectors , for each files in scikit-learn?
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    <p>I am trying to get Highest frequency terms out of vectors in scikit-learn. From example It can be done using this for each Categories but i want it for each files inside categories.</p> <p><a href="https://github.com/scikit-learn/scikit-learn/blob/master/examples/document_classification_20newsgroups.py" rel="nofollow">https://github.com/scikit-learn/scikit-learn/blob/master/examples/document_classification_20newsgroups.py</a></p> <pre><code> if opts.print_top10: print "top 10 keywords per class:" for i, category in enumerate(categories): top10 = np.argsort(clf.coef_[i])[-10:] print trim("%s: %s" % ( category, " ".join(feature_names[top10]))) </code></pre> <p>I want to do this for each files from testing dataset instead of each categories. Where should i be looking?</p> <p>Thanks</p> <p>EDIT: s/discrimitive/highest frequency/g (Sorry for the confusions)</p>
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    1. USPhyo Arkar Lwin
    1. USPhyo Arkar Lwin
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      1. POHow can i get highest frequency terms out of TD-idf vectors , for each files in scikit-learn?
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      1. POHow can i get highest frequency terms out of TD-idf vectors , for each files in scikit-learn?
      1. USPhyo Arkar Lwin
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    1. COCan't you just transform your test data with the same vectorizer that was used to parse the training data. The vectorizer stores the vocabulary after a call to `fit` and `transform` uses that vocabulary to filter any data you pass in (according to the docs).
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      1. POHow can i get highest frequency terms out of TD-idf vectors , for each files in scikit-learn?
      1. USMatti Lyra
    2. COVocabulary do not store anything about from which document (or array/list index) it gets from. It just Volcabulary , if you look into scikit-learn source code you will see.
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      1. POHow can i get highest frequency terms out of TD-idf vectors , for each files in scikit-learn?
      1. USPhyo Arkar Lwin
 

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