Please cite the paper below for the sigFeature software itself.  Please
also try to cite the appropriate methodology articles that describe the
statistical methods implemented in sigFeature, depending on which
sigFeature functions you are using.  The methodology is described in
the section on significant feature selection of the article.

  Das, P., Roychowdhury, A., Das, S., Roychoudhury, S. and Tripathy,
  S., 2020. sigFeature: novel significant feature selection method for
  classification of gene expression data using support vector machine
  and t statistic. Frontiers in genetics, 11, p.247.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Pijush Das and Anirban Roychowdhury and Subhadeep Das and Susanta Roychoudhury and Sucheta Tripathy},
    title = {sigFeature: Novel Significant Feature Selection Method for Classification of Gene Expression Data Using Support Vector Machine and t Statistic},
    journal = {Frontiers in genetics},
    year = {2020},
    volume = {11},
    pages = {247},
    doi = {10.3389/fgene.2020.00247},
    url = {https://www.frontiersin.org/article/10.3389/fgene.2020.00247},
  }