Each Y variable is labeled in a legend beneath the plot. The Y options are available from the Y Options menu from the red triangle menu for Overlay Plot. You can also access the Y Options menu by right-clicking on any Y variable in the legend.
A toggle that either connects the points with lines or turns the connecting lines off. You can use Connect Points without showing points.
Draws a horizontal line from each point to the x value of the following point, and then a vertical line to that point. You can use Step without showing points.
Plots a formula (stored in the Y column) as a smooth curve. To use this function, store a formula in a column that is a function of a single X column. Assign the formula to the Y role. For an example, see Function Plots.
Enables the choice of line widths.