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Table 1 Predicted and observed allele frequency differences. The predicted allele frequency differences are the differences we would expect to see based on the allele frequency estimates from the control pools and the genotype of the spiker. The observed allele frequency differences are the actual frequencies observed in the spiked pool as compared to the control pools. Number of SNPs range between 459 and 2621.

From: Genotyping DNA pools on microarrays: Tackling the QTL problem of large samples and large numbers of SNPs

Predicted Observed N of observations
0.001 0.001 1116
0.010 0.007 2621
0.020 0.017 2478
0.030 0.024 2309
0.040 0.033 2043
0.050 0.042 1789
0.060 0.051 1450
0.070 0.062 1113
0.080 0.069 835
0.090 0.076 595
0.099 0.081 459