The stat behind geom_slice_text(). It resolves the same slice spec as
StatSlice (borrowed from the plot's geom_slice() layer), reduces each
prediction line to its endpoint, and attaches the label text.
The stat behind geom_slice_text(). It resolves the same slice spec as
StatSlice (borrowed from the plot's geom_slice() layer), reduces each
prediction line to its endpoint, and attaches the label text.