What does the author of the book say?
On Thu, Aug 7, 2014 at 11:36 PM, François Bossière < [email protected]> 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? >
