To cite package ‘IMP’ in publications use:

  Nair A (2016). _IMP: Interactive Model Performance Evaluation_. R
  package version 1.1, <https://github.com/anup50695/imppackage>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {IMP: Interactive Model Performance Evaluation},
    author = {Anup Nair},
    year = {2016},
    note = {R package version 1.1},
    url = {https://github.com/anup50695/imppackage},
  }