This project is a complement to the Massive Online Analysis (MOA) library and aims at providing a categorical data generator with given magnitude.

When using this repository, please cite:

@ARTICLE{Webb2016,
  author="Webb, Geoffrey I. and Hyde, Roy and Cao, Hong and Nguyen, Hai Long and Petitjean, Francois",
  title="Characterizing concept drift",
  journal="Data Mining and Knowledge Discovery",
  year="2016",
  volume="30",
  number="4",
  pages="964--994",
  doi="10.1007/s10618-015-0448-4",
  url="http://dx.doi.org/10.1007/s10618-015-0448-4"
}

The paper is available for download at: https://arxiv.org/pdf/1511.03816v6.pdf

It requires the Apache Commons Math for random number generators.