Plot function for the ExomeDepth class
ExomeDepth object
character, Name of the sequence/chromosome of the region to plot (for example "chr5" would be typical)
numeric of size 2, start and end position of the region to plot
numeric of size 2, range for the y-axis
numeric, minimum number of reads in the reference set to display a point in the plot
logical, Should the gene information (obtained from the annotation data) be plotted under the read depth plot?
character, Colour for the line displaying the read depth ratio for each exon
signature(x = "ExomeDepth", sequence, xlim, ylim = NULL,
count.threshold = 10, ylab = 'Observed by expected read ratio', xlab
= '', type = 'b', pch = '+', with.gene = FALSE, col =
'red',...)