Implementation is based on this. http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.65.6273&rep=rep1&type=pdf
On Thu, Apr 29, 2010 at 3:55 PM, Grant Ingersoll <[email protected]>wrote: > I believe, and I haven't checked my notes from way back when, that it > doesn't need to be calculated b/c P(C) is the same across all the > comparisons, so P(D|C) is the only factor that matters b/c you only need > relative scores for ordering purposes. > > On Apr 29, 2010, at 2:25 AM, Gurudev Devanla wrote: > > > Hello All, > > > > This is my first post ever on any open source mailing list. So, please > > excuse me if I am not following certain standards. > > > > I was walking through the code for Naive Bayes classifier and I notice > that > > in TestClassifier.java, at the point where the document wieghts are > > calculated the probability of the class(label) is not taken into > > consideration. My knowledge of document wt in Naive Bayes is : > > > > Pr(C|D ) = Pr(D|C) * P(C) , but in the implementation I have > downloaded, I > > don't see Pr(C) being used in the calculation. > > > > Any pointers would be great. I am probably overlooking this be considered > > elsewhere in the program. > > > > Thanks > > betacoder > > -------------------------- > Grant Ingersoll > http://www.lucidimagination.com/ > > Search the Lucene ecosystem using Solr/Lucene: > http://www.lucidimagination.com/search > >
