What does the author of the book say?
On Thu, Aug 7, 2014 at 11:36 PM, François Bossière <
francois.bossi...@gmail.com> wrote:
> Hi,
>
> I am currently working on P. Giacomelli's great Mahout Cookbook and I am
> stuck with a problem of deprecated code.
>
> I am building the Text NaiveBayesClassifier using the code and It is
> written:
>
> final BayesParameters params = new BayesParameters();
> params.setGramSize( 1 );
> params.set( "verbose", "true" );
> params.set( "classifierType", "bayes" );
> params.set( "defaultCat", "OTHER" );
> params.set( "encoding", "UTF-8" );
> params.set( "alpha_i", "1.0" );
> params.set( "dataSource", "hdfs" );
> params.set( "basePath", "/tmp/output" );
> try {
> Path input = new Path( "/tmp/input" );
> TrainClassifier.trainNaiveBayes( input, "/tmp/output",params );
> Algorithm algorithm = new BayesAlgorithm();
> Datastore datastore = new InMemoryBayesDatastore( params );
> ClassifierContext classifier = new ClassifierContext( algorithm,
> datastore );
> classifier.initialize();
> final BufferedReader reader = new BufferedReader( new FileReader(
> args[ 0 ] ) );
> String entry = reader.readLine();
> while( entry != null ) {
> List< String > document = new NGrams( entry, Integer.parseInt(
> params.get( "gramSize" ) ) ).generateNGramsWithoutLabel();
> ClassifierResult result =
> classifier.classifyDocument(document.toArray(
> new String[ document.size() ]),params.get( "defaultCat" ) );
> entry = reader.readLine();
> }
> } catch( final IOException ex ) {
> ex.printStackTrace();
> } catch( final InvalidDatastoreException ex ) {
> ex.printStackTrace();}
>
> My problem is that I can't find the classes BayesParameters, Datastore,
> TrainClassifier etc... Looks like they are deprecated. Can someone write me
> the equivalent with the modern classes, would be awesome?! Or is there a
> link to find the updated version?
>
