Maintainer: ‘Xiang Zhou <xiang_zhou@fas.harvard.edu>’

The BugReports field in DESCRIPTION has
  http://github.com/xiangzhou09/hIRT
which should likely be
  http://github.com/xiangzhou09/hIRT/issues
instead.

Found the following URLs which should use \doi (with the DOI name only):
  File ‘hgrm.Rd’:
    https://doi.org/10.1017/pan.2018.63
  File ‘hltm.Rd’:
    https://doi.org/10.1017/pan.2018.63
Maintainer: ‘Xiang Zhou <xiang_zhou@fas.harvard.edu>’

The BugReports field in DESCRIPTION has
  http://github.com/xiangzhou09/hIRT
which should likely be
  http://github.com/xiangzhou09/hIRT/issues
instead.

Found the following URLs which should use \doi (with the DOI name only):
  File ‘hgrm.Rd’:
    https://doi.org/10.1017/pan.2018.63
  File ‘hltm.Rd’:
    https://doi.org/10.1017/pan.2018.63