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From: Charly Lizarralde <[email protected]>
To: [email protected]
Sent: Friday, August 23, 2013 11:18 AM
Subject: lda + vector dump
Hi everyone, I am experimenting with cvb algorithm and I have a few
questions....
a) Is there any updated documentation? I have been collecting info from
mail lists, blogs, etc. I have been writing a small beginers tutorial, if
you like I'll send it.
>> Not sure if the documentation's been updated for this, what were u looking
>> at?
Please send across what you have.
b) Should I remove "stop-words" before building the feature vectors ? I am
having some trouble "reading" the results....
>> If you r running 'seq2sparse' for building the feature vectors and are using
>> the Lucene StandardAnalyzer (which is the default),
the English stopwords should be removed automatically.
c) Vectordump is not sorting well...is this a reported bug ? ( I am
building mahout from trunk now )
>> Please post more details on this.
d) Any considerations on performance? It took 10 hours on a 5 node cluster
and I've set 20 iterations on less than 10.000 docs and it took
Thanks!
Charly
