- Manhattan plot
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A Manhattan plot is a type of scatter plot, usually used to display data with a large number of data-points - many of non-zero amplitude, and with a distribution of higher-magnitude values, for instance in genome-wide association studies (GWAS).[1] In GWAS Manhattan plots, 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. Because the strongest associations have the smallest P-values (e.g., 10-15), their negative logarithms will be the greatest (e.g., 15).
It gains its name from the similarity of such a plot to the Manhattan skyline: a profile of skyscrapers towering above the lower level "buildings" which vary around a lower height.
References
- ^ Gibson, Greg (2010). "Hints of hidden heritability in GWAS.". Nature Genetics 42 (7): 558–560. doi:10.1038/ng0710-558. PMID 20581876.
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