Found the following significant warnings:
  Rd warning: geom_bkde.Rd:18: missing link ‘aes’
  Rd warning: geom_bkde.Rd:19: missing link ‘aes_’
  Rd warning: geom_bkde.Rd:27: missing link ‘ggplot’
  Rd warning: geom_bkde.Rd:31: missing link ‘fortify’
  Rd warning: geom_bkde.Rd:58: missing link ‘borders’
  Rd warning: geom_bkde.Rd:60: missing link ‘layer’
  Rd warning: geom_bkde.Rd:139: missing link ‘geom_histogram’
  Rd warning: geom_bkde.Rd:139: missing link ‘geom_freqpoly’
  Rd warning: geom_bkde.Rd:141: missing link ‘geom_violin’
  Rd warning: geom_bkde2d.Rd:19: missing link ‘aes’
  Rd warning: geom_bkde2d.Rd:20: missing link ‘aes_’
  Rd warning: geom_bkde2d.Rd:28: missing link ‘ggplot’
  Rd warning: geom_bkde2d.Rd:32: missing link ‘fortify’
  Rd warning: geom_bkde2d.Rd:72: missing link ‘borders’
  Rd warning: geom_bkde2d.Rd:74: missing link ‘layer’
  Rd warning: geom_bkde2d.Rd:110: missing link ‘stat_contour’
  Rd warning: geom_bkde2d.Rd:140: missing link ‘geom_contour’
  Rd warning: geom_bkde2d.Rd:141: missing link ‘stat_sum’
  Rd warning: geom_cartogram.Rd:11: missing link ‘aes’
  Rd warning: geom_cartogram.Rd:12: missing link ‘aes_’
  Rd warning: geom_cartogram.Rd:20: missing link ‘ggplot’
  Rd warning: geom_cartogram.Rd:24: missing link ‘fortify’
  Rd warning: geom_cartogram.Rd:33: missing link ‘layer’
  Rd warning: geom_cartogram.Rd:39: missing link ‘fortify’
  Rd warning: geom_cartogram.Rd:53: missing link ‘borders’
  Rd warning: geom_dumbbell.Rd:13: missing link ‘aes’
  Rd warning: geom_dumbbell.Rd:14: missing link ‘aes_’
  Rd warning: geom_dumbbell.Rd:22: missing link ‘ggplot’
  Rd warning: geom_dumbbell.Rd:26: missing link ‘fortify’
  Rd warning: geom_dumbbell.Rd:32: missing link ‘layer’
  Rd warning: geom_dumbbell.Rd:59: missing link ‘borders’
  Rd warning: geom_lollipop.Rd:12: missing link ‘aes’
  Rd warning: geom_lollipop.Rd:13: missing link ‘aes_’
  Rd warning: geom_lollipop.Rd:21: missing link ‘ggplot’
  Rd warning: geom_lollipop.Rd:25: missing link ‘fortify’
  Rd warning: geom_lollipop.Rd:31: missing link ‘layer’
  Rd warning: geom_lollipop.Rd:57: missing link ‘borders’
  Rd warning: geom_stateface.Rd:13: missing link ‘aes’
  Rd warning: geom_stateface.Rd:14: missing link ‘aes_’
  Rd warning: geom_stateface.Rd:22: missing link ‘ggplot’
  Rd warning: geom_stateface.Rd:26: missing link ‘fortify’
  Rd warning: geom_stateface.Rd:38: missing link ‘layer’
  Rd warning: geom_stateface.Rd:63: missing link ‘borders’
  Rd warning: geom_xspline.Rd:19: missing link ‘aes’
  Rd warning: geom_xspline.Rd:20: missing link ‘aes_’
  Rd warning: geom_xspline.Rd:28: missing link ‘ggplot’
  Rd warning: geom_xspline.Rd:32: missing link ‘fortify’
  Rd warning: geom_xspline.Rd:51: missing link ‘borders’
  Rd warning: geom_xspline.Rd:63: missing link ‘layer’
  Rd warning: geom_xspline2.Rd:13: missing link ‘aes’
  Rd warning: geom_xspline2.Rd:14: missing link ‘aes_’
  Rd warning: geom_xspline2.Rd:22: missing link ‘ggplot’
  Rd warning: geom_xspline2.Rd:26: missing link ‘fortify’
  Rd warning: geom_xspline2.Rd:48: missing link ‘borders’
  Rd warning: geom_xspline2.Rd:50: missing link ‘layer’
  Rd warning: stat_ash.Rd:12: missing link ‘aes’
  Rd warning: stat_ash.Rd:13: missing link ‘aes_’
  Rd warning: stat_ash.Rd:21: missing link ‘ggplot’
  Rd warning: stat_ash.Rd:25: missing link ‘fortify’
  Rd warning: stat_ash.Rd:58: missing link ‘borders’
  Rd warning: stat_ash.Rd:60: missing link ‘layer’
  Rd warning: stat_stepribbon.Rd:12: missing link ‘aes’
  Rd warning: stat_stepribbon.Rd:13: missing link ‘aes_’
  Rd warning: stat_stepribbon.Rd:21: missing link ‘ggplot’
  Rd warning: stat_stepribbon.Rd:25: missing link ‘fortify’
  Rd warning: stat_stepribbon.Rd:46: missing link ‘borders’
  Rd warning: stat_stepribbon.Rd:51: missing link ‘layer’
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/ggalt.Rcheck/00install.out’ for details.