average_clusters        Average expression values per cluster
average_clusters_rowwise
                        Rowwise math from matrix/data.frame per cluster
                        based on another vector/metadata, similar to
                        clustifyr::average_clusters but ids as rows
by_cluster_sampling     Balanced downsampling of matrix/data.frame
                        based on cluster assignment vector
calc_distance           Distance calculations for spatial coord
color_repel             Reorder ggplot colors to maximize color
                        differences in space
get_labs                Extract custom labels from ggplot object
gg_color_repel          Wrapper to reorder ggplot colors to maximize
                        color differences in space
ggplotly_background     Prepare ggplot object to ggplotly-compatible
                        layer and image layer
label_repel             ggrepel labeling of clusters
matrix2_score           Score matrix distances
matrix2_score_n         Score matrix distances in multiple combinations
scale_color_repel       Add a color-repel scale to a ggplot
