ggpicrust2              This function integrates pathway
                        name/description annotations, ten of the most
                        advanced differential abundance (DA) methods,
                        and visualization of DA results.
ko2kegg_abundance       Convert KO abundance in picrust2 export files
                        to KEGG pathway abundance
pathway_annotation      Pathway information annotation of "EC", "KO",
                        "MetaCyc" pathway
pathway_daa             Predictional functional patwhay differential
                        abundance (DA)
pathway_errorbar        The function pathway_errorbar() is used to
                        visualize the results of functional pathway
                        differential abundance analysis as error bar
                        plots.
pathway_heatmap         Create pathway heatmap
pathway_pca             Perform Principal Component Analysis (PCA) on
                        functional pathway abundance data and create
                        visualizations of the PCA results.
