EC                      Transcriptomic information of endothelial
                        cells.
GOBar                   Z-score coloured barplot.
GOBubble                Bubble plot.
GOChord                 Displays the relationship between genes and
                        terms.
GOCircle                Circular visualization of the results of a
                        functional analysis.
GOCluster               Circular dendrogram.
GOHeat                  Displays heatmap of the relationship between
                        genes and terms.
GOVenn                  Venn diagram of differentially expressed genes.
chord_dat               Creates a binary matrix.
circle_dat              Creates a plotting object.
reduce_overlap          Eliminates redundant terms.
