ClusterPalette          An acceptable cluster color palette
EmbedSOM                Process the cells with SOM into a nice
                        embedding
ExprColors              Generate colors for multi-color marker
                        expression labeling in a single plot
ExpressionGradient      The ggplot2 scale gradient from
                        ExpressionPalette.
ExpressionPalette       Marker expression palette generator based off
                        ColorBrewer's RdYlBu, only better for plotting
                        of half-transparent cells
GQTSOM                  Train a Growing Quadtree Self-Organizing Map
GraphCoords             Add Kamada-Kawai-generated embedding
                        coordinates to the map
Initialize_PCA          Create a grid from first 2 PCA components
MSTCoords               Add MST-style embedding coordinates to the map
MapDataToCodes          Assign nearest node to each datapoint
NormalizeColor          Helper for computing colors for embedding plots
PlotData                Export a data frame for plotting with marker
                        intensities and density.
PlotDefault             Default plot
PlotEmbed               Helper function for plotting the embedding
PlotGG                  Wrap PlotData result in ggplot object.
PlotId                  Identity on whatever
RandomMap               Create a map by randomly selecting points
SOM                     Build a self-organizing map
UMAPCoords              Add UMAP-based coordinates to a map
UMatrixCoords           Add U-Matrix-optimized embedding coordinates to
                        the map
kMeansMap               Create a map from k-Means clusters
kNNCoords               Add KNN-topology-based embedding coordinates to
                        the map
tSNECoords              Add tSNE-based coordinates to a map
uwotCoords              Add UMAP-based coordinates to a map, using the
                        'uwot' package
