Create a ggplot aesthetic mapping from a BehaviorSpace experiment object,
based on chosen x-variable, y-variable, and optional grouping variable.
Optionally, include a mapping for error bars or an error ribbon.
get_plot_mapping(experiment, plot_data, x_var, y_var, group_var, error_bars)A BehaviorSpace experiment object, as returned from
load_bs_file(), load_bs_table(), or load_bs_spreadsheet().
Plot data returned from get_plot_data().
The name of an x-variable for the plot.
The name of an x-variable for the plot.
The name of an x-variable for the plot.
The kind of error bars to use. Legal values are "none", "error bars", or "bands"
A named list with an aesthetic mapping, A label specification for the axes, and a legend specification.