classified - classifier abstraction and comparison framework

Description

classified provides an abstract interface to common ruby classifiers. It allows comparison of these classifiers using common corpora to compare accuracy, precision, recall and f-measure metrics.

Installation

gem install classified
bundle install

NOTE: You will need to have installed the libarchive library to support the decompression of the corpora used in the comparisons.

Usage:

bundle exec rake metrics:all

Supported classifiers

ankusa - https://github.com/livingsocial/ankusa
hoatzin - https://github.com/rattle/hoatzin
classifier (bayes + lsi) - https://github.com/cardmagic/classifier

Analysis

For further information on interpreting the results of the comparison, see http://streamhacker.com/2010/05/17/text-classification-sentiment-analysis-precision-recall/