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preliminary mahout vectors and clustering
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| #!/bin/bash | |
| MAHOUT_LOCAL=1 # skip hadoop for now | |
| K=3 | |
| set -ex | |
| mahout seqdirectory -i issblog -o issblog-seqfiles -ow | |
| #-filter org.apache.lucene.analysis.en.EnglishMinimalStemFilter | |
| #-filter org.apache.lucene.analysis.miscellaneous.StemmerOverrideFilter | |
| #-filter org.apache.lucene.analysis.en.PorterStemFilter | |
| #mahout seq2sparse -i issblog-seqfiles -o issblog-vectors -ow | |
| mahout seq2sparse -i issblog-seqfiles -o issblog-vectors -ow \ | |
| -a org.apache.lucene.analysis.en.EnglishAnalyzer | |
| #-a org.apache.lucene.analysis.en.PorterStemFilter | |
| mahout vectordump -i issblog-vectors/tf-vectors \ | |
| -d issblog-vectors/dictionary.file-0 -dt sequencefile \ | |
| -sort 1 --vectorSize 12 --printKey 1 \ | |
| -o vectors-12 | |
| # mahout vectordump -i issblog-vectors/tfidf-vectors -d issblog-vectors/dictionary.file-0 -dt sequencefile -sort 1 --vectorSize 12 | |
| mahout kmeans -i issblog-vectors/tfidf-vectors -o issblog-kmeans-clusters -ow \ | |
| -c issblog-init-clusters \ | |
| -dm org.apache.mahout.common.distance.SquaredEuclideanDistanceMeasure \ | |
| -cd 1.0 -k $K -x 20 -cl | |
| mahout clusterdump \ | |
| -d issblog-vectors/dictionary.file-0 \ | |
| -dt sequencefile \ | |
| -i issblog-kmeans-clusters | |
| -b 10 \ | |
| -n 10 | |
| # -o clusters.txt \ | |
| exit 0 |
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