Please cite the paper below when using gaga, it took a lot of effort to develop.

Rossell D. GaGa: a Parsimonious and Flexible Model for Differential Expression Analysis. Annals of Applied Statistics, 3:1035-1051

Corresponding BibTeX entry:

  @Article{,
    author = {Rossell D.},
    title = {GaGa: a Parsimonious and Flexible Model for Differential
      Expression Analysis},
    journal = {Annals of Applied Statistics},
    year = {2009},
    volume = {3},
    pages = {1035-1051},
  }