dense_rank              Return dense rank of a sequence
discretize              Replace Infinites by discrete values
get_padding_from_elements
                        Calculate length of padding from plot elements
gg_to_npc.ggtikzCanvas
                        Convert data coordinates to npc coordinates.
ggtikz                  Create a canvas and add a TikZ annotation.
ggtikzAnnotation        Prepare a TikZ annotation for a ggplot.
ggtikzCanvas            Create a canvas to store TikZ annotations to a
                        ggplot.
ggtikzTransform         Transform TikZ coordinates according to scale
                        transformations
ggtikzUninfinite        Replace Inf in TikZ coordinates
set_ggtikz_unclip_hook
                        Unclip plots produced by the 'tikzDevice'.
split_coord             Split a TikZ coordinate.
tikz_exts_pattern       Construct a regex pattern for possible
                        tikzDevice extensions.
unclip                  knitr hook to remove clipping from plots
                        produced with the tikzDevice.
unclip_tikz             Unclip a plot produced by the 'tikzDevice'.
uninfinite_coord        Replace infinite values in TikZ coordinates
