centerTitle             Add a centered title to a plot
classPlot               Plot bars for item counts grouped and colored
                        by class
connectedComponents     Find the connected components of a graph
                        represented as a data frame
convexHull              Construct the convex hull of a set of points
correlationPlot         Plot a correlation matrix
densityPlot             Create density plot
dpColors                Create a palette designed for densityPlot
hpColors                Create the default hullPlot palette
hullPlot                Plot the convex hull of a set of points
isPointOnBoundary       Check if a point is on a polygon boundary
isPointOnSeg            Check if a point is on a segment
labelPoints             Label points in a ggplot object
networkPlot             Plot graph with the option of using different
                        colors for connected components
pointsToSegments        Construct a data frame of segments from a data
                        frame of points
radialPlot              Draw radial plot for a data frame with positive
                        integer-valued points
rankPlot                Create a rank plot
rankSummary             Create a rank summary
reorderDF               Sort a data frame by the first column and
                        convert the second to a factor
riverPlot               Create an alluvial plot
rpColors                Create a palette designed to represent dots
                        over a viridis background
tilePlot                Plot a numeric matrix or data frame
vertexComponents        Return the connected components of vertices
volcanoPlot             Create a volcano plot
