Found the following significant warnings:
  Rd warning: copyNIfTIHeader.Rd:24: missing link ‘dropImageDimension’
  Rd warning: copyNIfTIHeader.Rd:26: missing link ‘dropImageDimension’
  Rd warning: copyNIfTIHeader.Rd:29: missing link ‘dropImageDimension’
  Rd warning: copyNIfTIHeader.Rd:32: missing link ‘nifti’
  Rd warning: datatype.Rd:26: missing link ‘convert.datatype’
  Rd warning: datatype.Rd:29: missing link ‘convert.bitpix’
  Rd warning: double_ortho.Rd:34: missing link ‘orthographic’
  Rd warning: double_ortho.Rd:38: missing link ‘orthographic’
  Rd warning: ensure_array.Rd:10: missing link ‘nifti’
  Rd warning: fast_readnii.Rd:20: missing link ‘readNifti’
  Rd warning: fast_readnii.Rd:14: missing link ‘drop_img_dim’
  Rd warning: img_list_to_ts.Rd:17: missing link ‘nifti’
  Rd warning: img_list_to_ts.Rd:20: missing link ‘nifti’
  Rd warning: img_ts_to_df.Rd:10: missing link ‘nifti’
  Rd warning: img_ts_to_df.Rd:14: missing link ‘nifti’
  Rd warning: img_ts_to_list.Rd:10: missing link ‘nifti’
  Rd warning: img_ts_to_list.Rd:18: missing link ‘nifti’
  Rd warning: img_ts_to_list.Rd:27: missing link ‘nifti’
  Rd warning: img_ts_to_matrix.Rd:10: missing link ‘nifti’
  Rd warning: img_ts_to_matrix.Rd:14: missing link ‘nifti’
  Rd warning: ortho2.Rd:149: missing link ‘orthographic’
  Rd warning: ortho2.Rd:185: missing link ‘orthographic’
  Rd warning: random_nifti.Rd:12: missing link ‘nifti’
  Rd warning: readNIfTI2.Rd:42: missing link ‘readNIfTI’
  Rd warning: readNIfTI2.Rd:21: missing link ‘readNIfTI’
  Rd warning: readNIfTI2.Rd:23: missing link ‘readNIfTI’
  Rd warning: readNIfTI2.Rd:27: missing link ‘drop_img_dim’
  Rd warning: readNIfTI2.Rd:31: missing link ‘readNIfTI’
  Rd warning: remake_img.Rd:26: missing link ‘nifti’
  Rd warning: remake_img.Rd:12: missing link ‘nifti’
  Rd warning: remake_img.Rd:14: missing link ‘nifti’
  Rd warning: remake_img.Rd:22: missing link ‘nifti’
  Rd warning: replace_dropped_dimensions.Rd:19: missing link ‘nifti’
  Rd warning: rescale_img.Rd:38: missing link ‘drop_img_dim’
  Rd warning: tempimg.Rd:31: missing link ‘drop_img_dim’
  Rd warning: writeNIfTI2.Rd:44: missing link ‘writeNIfTI’
  Rd warning: writeNIfTI2.Rd:22: missing link ‘writeNIfTI’
  Rd warning: writeNIfTI2.Rd:30: missing link ‘writeNIfTI’
  Rd warning: writeNIfTI2.Rd:32: missing link ‘drop_img_dim’
  Rd warning: writeNIfTI2.Rd:34: missing link ‘writeNIfTI’
  Rd warning: write_nifti.Rd:14: missing link ‘writeNifti’
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/neurobase.Rcheck/00install.out’ for details.