node-weka - nodejs wrapper for Weka functions

Overview

Provides a convenient wrapper for calling Weka functions from nodejs.

Prerequisites

• nodejs
• npm
• java

Installation

npm install node-weka

Usage

var weka = require('./lib/weka-lib.js');

var data = ... //ARFF json format (see [node-arff](https://github.com/chesles/node-arff))

//See Weka Documentation
var options = {
  //'classifier': 'weka.classifiers.bayes.NaiveBayes',
  'classifier': 'weka.classifiers.functions.SMO',
  'params'    : ''
};

var testData = {
  outlook    : 'sunny',
  windy      : 'TRUE',
  temperature: 30,
  humidity   : 2,
  play       : 'no' // last is class attribute
};

weka.classify(data, testData, options, function (err, result) {
  
  console.log(result); //{ predicted: 'yes', prediction: '1' }
  
});

License

Copyright (C) 2014 Martin Franke ([email protected])

node-weka is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

node-weka is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with node-weka. If not, see http://www.gnu.org/licenses/.