Region type for which the plot should be generated
extend.by
A number between 0 and 1 specifying the percentage by which a region is
extended in order to capture methylation information before region start and after region end
Value
a ggplot2 object for plotting
the plot shows the density of sites accross the specified region type for all regions of that
type from 0 (region start) to 1 (region end). Sites in the flanking areas are
also shown (coordinates <0 and="">1).
0>