for non-standard things in the check directory

checkRd: (-1) comet.Rd:20: height/width attributes should be in pixels
Found the following files/directories:
  ‘cometExactTest_plot.pdf’
checkRd: (-1) comet.Rd:20: height/width attributes should be in pixels
Found the following files/directories:
  ‘cometExactTest_plot.pdf’
checkRd: (-1) comet.Rd:20: height/width attributes should be in pixels
Found the following files/directories:
  ‘cometExactTest_plot.pdf’
checkRd: (-1) comet.Rd:20: height/width attributes should be in pixels
Found the following files/directories:
  ‘cometExactTest_plot.pdf’
checkRd: (-1) comet.Rd:20: height/width attributes should be in pixels
Found the following files/directories:
  ‘cometExactTest_plot.pdf’
Found the following files/directories:
  ‘cometExactTest_plot.pdf’