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Recall from Section \@ref(intro-plotly) that in the layered grammar of graphics, a layer comprised of 5 components: aesthetic mappings (e.g., assigning clarity to color), a geometric representation (e.g. rectangles, circles, etc), statistical transformations (e.g., sum, mean, etc), and positional adjustments (e.g., dodge, stack, etc). Generally speaking, `ggplotly()` is going to be a more complete and consistent approach to expressing layers tha