barPlot                 Outputs a stacked bar plot to show the percent
                        composition of samples, groups, clusters, or
                        other groupings
colLevels               Gives the distinct values of a column of data
                        from the data_frame
dittoColors             Extracts the dittoViz default colors
dittoExampleData        Example Data Generation
freqPlot                Plot discrete observation frequencies per
                        sample and per grouping
scatterHex              scatter plot where observations are grouped
                        into hexagonal bins and then summarized
scatterPlot             Show RNAseq data overlayed on a scatter plot
yPlot                   Plots continuous data per group on a y- (or x-)
                        axis using customizable data representations
