has part is about denotes is_specified_input_of is_specified_output_of scatter plot genotype information logarithmic transformation data visualization phenotype x-axis y-axis genomic coordinate datum genome-wide association study manhattan plot for gwas Alejandra Gonzalez-Beltran Orlaith Burke Philippe Rocca-Serra a manhattan plot for gwas is a kind of scatter plot used to facilitate presentation of genome-wide association study (GWAS) data. Genomic coordinates are displayed along the X-axis, with the negative logarithm of the association P-value for each single nucleotide polymorphism displayed on the Y-axis. http://en.wikipedia.org/wiki/Manhattan_plot plotGrandLinear(obj, ..., facets, space.skip = 0.01, geom = NULL, cutoff = NULL, cutoff.color = "red", cutoff.size = 1, legend = FALSE, xlim, ylim, xlab, ylab, main) http://www.tengfei.name/ggbio/docs/man/plotGrandLinear.html p-value ready for release