Also have you looked at the new naive bayes package. It is super fast. On Jul 2, 2012 8:21 AM, "Ted Dunning" <[email protected]> wrote:
> Did you read the original Naive Bayes paper? > > On Mon, Jul 2, 2012 at 12:47 AM, damodar shetyo <[email protected] > >wrote: > > > While using Bayes classier in Mahout we set parameters as follows: > > > > Now can someone tell me what is defaultCat and alpha_i? > > Why is value of alpha_i set to 1? > > Do we always set the value of alpha_i to 1? > > > > 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/classificationData/output"); > > -- > > Regards, > > Damodar Shetyo > > >
