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Number of selected tag SNPs to capture all observed common SNPs in the Phase I HapMap
| r2threshold* | YRI | CEU | CHB +JPT |
|---|---|---|---|
| r2 ≥ 0.5 | 324,865 | 178,501 | 159,029 |
| r2 ≥ 0.8 | 474,409 | 293,835 | 259,779 |
| r2 = 1.0 | 604,886 | 447,579 | 434,476 |
Tag SNPs were picked to capture common SNPs in HapMap release 16c1 using the software program Haploview.
Pairwise tagging at different r2 thresholds.
