大数据系列9:Mahout – 机器学习

ApachePHPMySQL 2013-10-02

wget http://mirrors.ustc.edu.cn/apache/mahout/0.8/mahout-distribution-0.8.tar.gz

tar -xzvf mahout-distribution-0.8.tar.gz

cd mahout-distribution-0.8

sudo vi /etc/profile

增加:

    export PATH=$PATH:/home/ysc/mahout-distribution-0.8/bin

source /etc/profile

数据:hadoop fs -put clustering_material.txt testdata/clustering_material.txt

聚类1:mahoutorg.apache.mahout.clustering.syntheticcontrol.kmeans.Job

分析1:mahout clusterdump --input output/clusters-10-final --pointsDir output/clusteredPoints --output output/clusteranalyze_kmeans.txt

查看:

    hadoopfs -lsr output

    more  output/clusteranalyze_kmeans.txt

    VL-19代表这是一个cluster,n=161代表该cluster有161个点,c=[...]代表该cluster的中心向量点,r=[...]代表cluster的半径

聚类2:mahout org.apache.mahout.clustering.syntheticcontrol.canopy.Job

分析2:mahout clusterdump --input output/clusters-0-final --pointsDir output/clusteredPoints --output output/clusteranalyze_canopy.txt

聚类3:mahout org.apache.mahout.clustering.syntheticcontrol.fuzzykmeans.Job

分析3:mahout clusterdump --input output/clusters-6-final --pointsDir output/clusteredPoints --output output/clusteranalyze_fuzzykmeans.txt

聚类4:mahout org.apache.mahout.clustering.syntheticcontrol.dirichlet.Job

分析4:mahout clusterdump --input output/clusters-5-final --pointsDir output/clusteredPoints --output output/clusteranalyze_dirichlet.txt

聚类5:mahout org.apache.mahout.clustering.syntheticcontrol.meanshift.Job

分析5:mahout clusterdump --input output/clusters-3-final --pointsDir output/clusteredPoints --output output/clusteranalyze_meanshift.txt


 


 

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