To cite performanceEstimation in publications use:

Torgo, L. (2014). , An Infra-Structure for Performance Estimation and Experimental Comparison of Predictive Models in R, CoRR abs/1412.0436 [cs.MS], URL: http://arxiv.org/abs/1412.0436

Corresponding BibTeX entry:

  @Article{,
    title = {An Infra-Structure for Performance Estimation and
      Experimental Comparison of Predictive Models in R},
    author = {L. Torgo},
    year = {2014},
    ee = {http://arxiv.org/abs/1412.0436},
    volume = {abs/1412.0436},
    journal = {CoRR},
  }