These cumulative quality control statistics are based on data from 214 released projects consisting of 212,000 samples. The error rate is calculated from investigator-supplied blind duplicates. SNP genotyping services began in 2005.

Service	Error Rate (%)	Missing Rate (%)	# of Projects
Human GWA SNP	0.013	0.46	6
Human Linkage SNP	0.009	0.25	27
Human Custom SNP	0.009	0.17	37
Human MHC SNP	0.0	0.17	1
Mouse Linkage SNP	0.002	0.13	6
Mouse Custom SNP	0.0	0.07	4
*Human Linkage STRP	0.07	3.96	109
*Mouse Linkage STRP	0.06	4.7	24