I believe it is supposed to, at least at the high level. We don't have any 1-1
tests, so YMMV.
On Dec 17, 2011, at 8:26 PM, Lance Norskog wrote:
> Does the new approach do the same thing as the old approach?
>
> On Thu, Dec 15, 2011 at 1:56 AM, Daniele Volpi wrote:
>> Yes Grant that was the
Does the new approach do the same thing as the old approach?
On Thu, Dec 15, 2011 at 1:56 AM, Daniele Volpi wrote:
> Yes Grant that was the point of my first question..
> Now I'll take a look at the vector implementation.
> Thanks again
> Daniele
>
> On 14 December 2011 23:44, Grant Ingersoll wr
Yes Grant that was the point of my first question..
Now I'll take a look at the vector implementation.
Thanks again
Daniele
On 14 December 2011 23:44, Grant Ingersoll wrote:
> While Ted answered the Dissector question, your original issue, I believe, is
> that Mahout currently has two different
While Ted answered the Dissector question, your original issue, I believe, is
that Mahout currently has two different NB implementations.
trainclassifier/testclassifier use the old, word based package which requires
Text as input. The new package, which TrainNaiveBayesJob uses, requires
Vecto
Ok, i was thinking i could easily use the ModelDissector class because
requires an AbstractVectorClassifier and the
StandardNaiveBayesClassifier in the naivebayes package extends that
class.
On 14 December 2011 14:42, Ted Dunning wrote:
>
> I think that using the model dissector with NaiveBayes w
I think that using the model dissector with NaiveBayes will not work
easily. The assumption inside the model dissector is that there is a model
matrix compatible with logistic regression to be had.
The easy way to get everything to work is to simply use a single
categorical variable that can have
The version is 0.6-SNAPSHOT
>From terminal both commands trainclassifier and testclassifier work.
Actually my real purpose is to use the TrainNaiveBayesJob in order to
obtain a StandardNaiveBayesClassifier that i can use with the
ModelDissector class similiar to chapter 15 in Mahout In Action, mayb
Which version of Mahout?
And what happens when you train the classifier from the command line?
On Tue, Dec 13, 2011 at 2:27 PM, Daniele Volpi wrote:
> First of all i've converted the train files in the format:
> target[\t]terms
> through the BayesFileFormatter class.
> Then i've converted these
First of all i've converted the train files in the format:
target[\t]terms
through the BayesFileFormatter class.
Then i've converted these files (one per category) in SequenceFile using
the seqdirectory program.
After that I ran this code:
TrainNaiveBayesJob trainer = new TrainNaiveBayesJob();
tra
What steps have you done?
On Dec 13, 2011, at 12:29 PM, Daniele Volpi wrote:
> Hi everyone,
> I'm trying to implement the Naive Bayes classifier through the
> TrainNaiveBayesJob class.
> After convert the text files in the required sequencefile for the "run"
> method through the seqdirectory prog
Hi everyone,
I'm trying to implement the Naive Bayes classifier through the
TrainNaiveBayesJob class.
After convert the text files in the required sequencefile for the "run"
method through the seqdirectory program i get this error:
java.lang.ClassCastException: org.apache.hadoop.io.Text cannot be
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