Option to determine number of words for LDADriver from a specified dictionary
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Key: MAHOUT-695
URL: https://issues.apache.org/jira/browse/MAHOUT-695
Project: Mahout
Issue Type: Improvement
Components: Clustering
Reporter: Mat Kelcey
Priority: Minor
It bugged me that you needed to specify the number of words directly to the
LDADriver
eg ./bin/mahout lda \
-i ./examples/bin/work/reuters-out-seqdir-sparse/tf-vectors \
-o ./examples/bin/work/reuters-lda -k 20 -v 50000 -ow -x 20
with this patch you can instead provide a dictionary; we just count the terms
in the dictionary
eg ./bin/mahout lda \
-i ./examples/bin/work/reuters-out-seqdir-sparse/tf-vectors \
-o ./examples/bin/work/reuters-lda \
-d ./examples/bin/work/reuters-out-seqdir-sparse/dictionary.file-0 \
-k 20 -ow -x 20
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