Figure 3.

Coverage of tag SNPs. Fraction of non-tag SNPs in LD with a tag SNP with r2 above specified threshold for the ENCODE and non-ENCODE regions of the HapMap project for the CEU and YRI populations. Results are shown for the Illumina 550 K (A) and Affymetrix 500 K (B) chips. The JPT+CHB population was not included because the curves generally overlap with the CEU curves and would make the graph harder to read. Results for the JPT+CHB population and for the other chips are qualitatively similar to the curves shown here.

Klein BMC Genetics 2007 8:58   doi:10.1186/1471-2156-8-58
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