Anyone? .. Help


On Jan 29, 2013, at 5:48 PM, [email protected] wrote:

> Sorry, the raw exception from my nabble post didn't come through in the email
> 
> Exception in thread "main" java.io.UTFDataFormatException: malformed input 
> around byte 5 at java.io.DataInputStream.readUTF(DataInputStream.java:617) at 
> java.io.DataInputStream.readUTF(DataInputStream.java:547) at 
> org.apache.mahout.classifier.sgd.PolymorphicWritable.read(PolymorphicWritable.java:41)
>  at 
> org.apache.mahout.classifier.sgd.ModelSerializer.readBinary(ModelSerializer.java:69)
>  at com.memonews.mahout.sentiment.TestNewsGroups.run(TestNewsGroups.java:67) 
> at com.memonews.mahout.sentiment.TestNewsGroups.main(TestNewsGroups.java:59) 
> 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 
> com.intellij.rt.execution.application.AppMain.main(AppMain.java:120
> 
> On Jan 29, 2013, at 5:14 PM, Suneel Marthi <[email protected]> wrote:
> 
>> What's the exception u r seeing?
>> 
>> 
>> 
>> 
>> ________________________________
>> From: vybe3142 <[email protected]>
>> To: [email protected] 
>> Sent: Tuesday, January 29, 2013 5:26 PM
>> Subject: Classifying a single file after training the model
>> 
>> 1. Index the training data that I've pre-classified manually . Then perform
>> training and testing. Everything works fine to this point
>> 
>> 
>> 
>> This seems to work (looking at the confusion matrix  even though these are
>> plan old text snippets as opposed to newsgroup text articles.
>> 
>> 2. At this point, I want to classify individual files that are not part of
>> the training set. I've tried a bunch of things that don't seem to work.
>> For example, .. I try to invoke main() on  TestNewsGroups.java
>> <http://svn.apache.org/repos/asf/mahout/trunk/examples/src/main/java/org/apache/mahout/classifier/sgd/TestNewsGroups.java>
>>   
>> with the args
>> 
>> 
>> 
>> and end up with an Exception
>> 
>> 
>> Any idea what I can do to fix this? Thanks
>> 
>> 
>> 
>> --
>> View this message in context: 
>> http://lucene.472066.n3.nabble.com/Classifying-a-single-file-after-training-the-model-tp4037203.html
>> Sent from the Mahout User List mailing list archive at Nabble.com.

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