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Table 2 Summary of the HapMap samples analyzed by each algorithm.

From: Comparing genotyping algorithms for Illumina's Infinium whole-genome SNP BeadChips

Chip type Training samples Test samples
550 k 112 (48:12:16:36) -
650 k 112 (48:12:16:36) 15 (0:0:0:15)
1 m 118 (49:13:17:39) 7 (3:0:0:4)
370 k Duo 115 (49:13:16:37) 45 (30:0:0:15)
1 m Duo 269 (89:45:45:90) 33 (11:3:2:17)
370 k Quad 225 (73:38:37:77) -
610 k Quad 225 (73:38:37:77) 27 (10:5:6:6)
660 k Quad 267 (88:44:45:90) 47 (30:0:0:17)
omni1 Quad 267 (88:44:45:90) 67 (29:4:4:30)
Total 1,710 241
  1. The training samples were processed in-house by Illumina. The test samples were processed by an independent core facility. The number of samples from each of the four HapMap populations represented in each collection is given in parentheses (CEU:CHB:JPT:YRI).