Layered Grammar of Graphics in R
Contributing Authors

ggbio (package, publication) is an extension and specialization of ggplot designed for visualizing genomics annotations and high-throughput data

A frequent requirement for plots of genomic data is indicating the relationship of measurements on different scales. For example, the x-axis of the lower plots in this image is the linear chromosome position, but the upper plot shows the expression levels of each exon (which are indicated in the lower image by vertical lines). In the past I’ve written code to generate the diagonal lines between the images that show the relationship of the two scales, and I’ll be happy if ggbio makes that unnecessary.

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