mahout-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
Subject Re: Querry regarding use of classifier in Mahout
Date Mon, 18 Oct 2010 19:19:46 GMT
On 10/19/10, Ted Dunning <> wrote:
> Remember it is on the training data!
> Naive Bayes classifiers have the property that they overfit massively but
> still give good results on held out data.  Thus,
> when tested on the same data that they trained with, they demonstrate
> results that are unrealistically good.
> This is still an important thing to look at.  It just isn't really 200 times
> lower error rate than any other result ever reported on this dataset.

One of my student did a rough test on the same data with MALLET . It
is giving somewhat near result . That is what he told. Once again I
will recheck and compare the results .

View raw message