To cite package ‘EMSS’ in publications use:

Yang K, Lee SK, Zhao J, Kim H (2021). EMSS: Some EM-Type Estimation Methods for the Heckman Selection Model. R package version 1.1.1, https://github.com/sangkyustat/emss.

ATTENTION: This citation information has been auto-generated from the package DESCRIPTION file and may need manual editing, see ‘help("citation")’.

Corresponding BibTeX entry:

  @Manual{,
    title = {EMSS: Some EM-Type Estimation Methods for the Heckman
      Selection Model},
    author = {Kexuan Yang and Sang Kyu Lee and Jun Zhao and Hyoung-Moon
      Kim},
    year = {2021},
    note = {R package version 1.1.1},
    url = {https://github.com/sangkyustat/emss},
  }