NHANES                  NHANES Data : National Health and Nutrition
                        Examination Survey
ColorRamps              Color ramps on perceptually linear scales
erode.hexbin            Erosion of a Hexagon Count Image
hboxplot                2-D generalization of Boxplot
hcell                   compute hexagon cell id's from x and y map
                        projection coordinates
hcell2xy                Compute X and Y Coordinates for Hexagon Cells
hdiffplot               Plot of Domain and Median Differences of Two
                        'hbin' Objects
hex.legend              plot a legend for plot.hexbin
hexagons                Add Hexagon Cells to Plot
hexbin                  bivariate binning into hexagon cells
hmatplot                Draw Matrix of 2-D Boxplots For Hexbin Objects
hray                    represent values and confidence bounds on a
                        map using rays
identify.hexbin         Identifying Hexagons on a Hexbin Graphic
plot.hexbin             plotting hexagon cells and legend
rgb2hsv                 Numeric Conversion of RGB to HSV Color Space
smooth.hexbin           Hexagon Bin Smoothing
summary.hexbin          Summary function for hexbin objects
