The aesthetics are mapped within the aes() function to construct the final mappings. Each geometric layer requires a different set of aesthetic mappings, e.g. the geom_point() function uses the aesthetics x and y to determine the x- and y-axis coordinates of the points to plot. Ggplot2 uses the concept of aesthetics, which map dataset attributes to the visual features of the plot. Start Quiz Creating aesthetic mappings library(ggplot2) Which geometric layer should be used to create scatter plots in ggplot2? The objects can have multiple forms like points, lines and bars and are specified through the corresponding functions geom_point(), geom_line() and geom_col(): Quiz: Scatter Plot Layers ![]() Geoms use geometric objects to visualize the variables of a dataset. We can use ggplot’s geometric layers (or geoms) to define how we want to visualize our dataset. Start Exercise Specifying a geometric layer library(ggplot2)
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