Space: Apache Mahout (https://cwiki.apache.org/confluence/display/MAHOUT)
Page: Clustering of synthetic control data
(https://cwiki.apache.org/confluence/display/MAHOUT/Clustering+of+synthetic+control+data)
Comment:
https://cwiki.apache.org/confluence/display/MAHOUT/Clustering+of+synthetic+control+data?focusedCommentId=27827688#comment-27827688
Comment added by Lijie Xu:
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I encountered a problem while using mahout-0.5 and the commands above.
If I run "$MAHOUT_HOME/bin/mahout
org.apache.mahout.clustering.syntheticcontrol.canopy.Job", hadoop-0.20.2 will
throws an exception as follows:
11/09/28 22:57:58 WARN driver.MahoutDriver: No
org.apache.mahout.clustering.syntheticcontrol.fuzzykmeans.Job.props found on
classpath, will use command-line arguments only
11/09/28 22:58:24 INFO mapred.JobClient: Task Id :
attempt_201109282132_0017_m_000000_0, Status : FAILED
Error: java.lang.ClassNotFoundException: org.apache.mahout.math.Vector
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
However, if I run the command
"[root@master:/opt/mahout-distribution-0.5]# hadoop jar
mahout-examples-0.5-job.jar
org.apache.mahout.clustering.syntheticcontrol.fuzzykmeans.Job", the program can
get the right result.
I'm wondering where the problem comes from.
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