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https://issues.apache.org/jira/browse/MAHOUT-398?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12870260#action_12870260
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Jeff Eastman commented on MAHOUT-398:
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Here's a very minimal fix that, imho, reduces the ambiguity and makes the
contents of the vector directories much more obvious:
DictionaryVectorizer {
public static final String DOCUMENT_VECTOR_OUTPUT_FOLDER = "tf-vectors";
TFIDFConverter {
private static final String DOCUMENT_VECTOR_OUTPUT_FOLDER = "tfidf-vectors";
> Seq2sparse outputs final vectors to different directories depending upon the
> TF/TFIDF weight switch. This is confusing to users.
> --------------------------------------------------------------------------------------------------------------------------------
>
> Key: MAHOUT-398
> URL: https://issues.apache.org/jira/browse/MAHOUT-398
> Project: Mahout
> Issue Type: Improvement
> Components: Utils
> Affects Versions: 0.3
> Reporter: Jeff Eastman
> Fix For: 0.4
>
>
> In TF mode, seq2sparse puts the output vectors into <output>/vectors. In
> TFIDF mode; however, it puts the output vectors into <output>/tfidf/vectors.
> This happens because the IDF calculation - if it is selected - happens after
> TF and uses the TF vectors for its input.
> Seems like both modes ought to output to a consistent directory structure so
> changing the switch does not change the final output location: perhaps as
> simple as changing TF to output to <output>/tf/vectors so that the contents
> of both directories when present are more obvious from their nomenclature.
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