plot_genus_by_phylum: Plot genus by phylum
In mworkentine/mattsUtils: Personal Utility Functions For Various Analysis

Bar plot of all the genera within a specified phylum.

1 2	plot_genus_by_phylum(physeq, phylum, x = "Sample", filter = NULL, facet_by_fam = FALSE, xlabel = NULL)

`physeq`	A valid phyloseq object
`phylum`	character, the phylum to plot
`x`	character, the variable to plot on the x-axis, should be one of sample_variables(physeq). Note that if this is anything other than "Samples", the default, the mean abundance for each value will be plotted.
`filter`	numeric, top fraction of abundance to return
`facet_by_fam`	logical, facet by family, default is FALSE
`xlabel`	character, when plotting individual samples the variable to use for labels