Unfortunately I dont know any Java as yet, im using PHP so going to have to pipe the output to file and extract what I need from that. Messy but it should work for what I need. Thanks for your input! :)
> Date: Mon, 30 Jul 2012 20:03:12 -0700 > Subject: Re: cmdump > From: goks...@gmail.com > To: user@mahout.apache.org > > In TestNaiveBayesDriver around line 115 is where it reads the output > of the Naive Bayes job and makes a confusion matrix. It is probably > better to make cmdump read that file instead of expecting all of the > classifier programs to make a separate kind of file. > > On Mon, Jul 30, 2012 at 3:34 PM, Sam Hodgson <hodgson_...@hotmail.com> wrote: > > > > Thanks Lance, i'll try rolling back a few versions to see if i can get an > > output. > > > > The output directory from the classifier holds the following: > > > > -rwxrwxrwx 1 root root 84K Jul 26 20:11 part-m-00000 > > -rw-r--r-- 1 root root 676 Jul 26 20:11 .part-m-00000.crc > > -rwxrwxrwx 1 root root 0 Jul 26 20:11 _SUCCESS > > -rw-r--r-- 1 root root 8 Jul 26 20:11 ._SUCCESS.crc > > > > Cheers > > > > Sam > > > >> Date: Mon, 30 Jul 2012 14:28:37 -0700 > >> Subject: Re: FW: cmdump > >> From: goks...@gmail.com > >> To: user@mahout.apache.org > >> > >> I don't know what the output directory holds. > >> > >> There used to be code in TestNaiveBayesClassifier that saved the > >> confusion matrix to a separate file. This code has evaporated. > >> > >> On Sun, Jul 29, 2012 at 3:17 PM, Sam Hodgson <hodgson_...@hotmail.com> > >> wrote: > >> > > >> > Hi, > >> > > >> > Sorry to repost this but im completely stuck and I cant find anything on > >> > this anywhere. > >> > > >> > I've tried running this on the known good 20-newsgroup example output > >> > data and also on version 0.7 and get the same error. > >> > > >> > Any suggestions at all would be appreciated. > >> > > >> > Thanks > >> > > >> > Sam > >> > > >> > From: hodgson_...@hotmail.com > >> > To: user@mahout.apache.org > >> > Subject: cmdump > >> > Date: Thu, 26 Jul 2012 23:20:39 +0000 > >> > > >> > > >> > > >> > > >> > > >> > Hi, > >> > > >> > Im having some trouble getting a text output from the confusion matrix > >> > created by testnb. Im running cmdump over part-m-00000 that was output > >> > by test but getting the following error: > >> > > >> > bin/mahout cmdump -i spamfilter/test/part-m-00000 -o spamfilter/matrix/ > >> > -ow --text > >> > Running on hadoop, using /usr/bin/hadoop and HADOOP_CONF_DIR= > >> > MAHOUT-JOB: > >> > /root/svn/trunk/examples/target/mahout-examples-0.8-SNAPSHOT-job.jar > >> > 12/07/27 00:10:10 WARN driver.MahoutDriver: No cmdump.props found on > >> > classpath, will use command-line arguments only > >> > 12/07/27 00:10:10 INFO common.AbstractJob: Command line arguments: > >> > {--endPhase=[2147483647], --input=[spamfilter/test/part-m-00000], > >> > --output=[spamfilter/matrix/], --overwrite=null, --startPhase=[0], > >> > --tempDir=[temp], --text=null} > >> > Exception in thread "main" java.io.IOException: wrong value class: > >> > org.apache.mahout.math.MatrixWritable@6833f0de is not class > >> > org.apache.mahout.math.VectorWritable > >> > at > >> > org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:1945) > >> > at > >> > org.apache.mahout.classifier.ConfusionMatrixDumper.readSeqFile(ConfusionMatrixDumper.java:230) > >> > at > >> > org.apache.mahout.classifier.ConfusionMatrixDumper.exportText(ConfusionMatrixDumper.java:169) > >> > at > >> > org.apache.mahout.classifier.ConfusionMatrixDumper.run(ConfusionMatrixDumper.java:155) > >> > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) > >> > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) > >> > at > >> > org.apache.mahout.classifier.ConfusionMatrixDumper.main(ConfusionMatrixDumper.java:134) > >> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > >> > at > >> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > >> > at > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > >> > at java.lang.reflect.Method.invoke(Method.java:597) > >> > at > >> > org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68) > >> > at > >> > org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139) > >> > at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195) > >> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > >> > at > >> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > >> > at > >> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > >> > at java.lang.reflect.Method.invoke(Method.java:597) > >> > at org.apache.hadoop.util.RunJar.main(RunJar.java:197) > >> > > >> > > >> > Any help would be greatly appreciated! > >> > > >> > Cheers > >> > > >> > Sam > >> > > >> > >> > >> > >> -- > >> Lance Norskog > >> goks...@gmail.com > > > > > > -- > Lance Norskog > goks...@gmail.com