Skip to main content

Table 6 Comparing errors in estimation of allele frequencies by filtering off uncalled SNPs.

From: Validation of pooled genotyping on the Affymetrix 500 k and SNP6.0 genotyping platforms using the polynomial-based probe-specific correction

NoCall cutoff

SNPs Analysed

Correlation

MAD error

95% CI

-

500568 (100%)

0.989

0.031

(0.0360-0.0362)

45

500488 (99.98%)

0.989

0.031

(0.0360-0.0362)

40

500353 (99.96%)

0.989

0.031

(0.0359-0.0362)

35

500036 (99.89%)

0.989

0.031

(0.0359-0.0361)

30

499222 (99.73%)

0.989

0.031

(0.0358-0.0360)

25

497469 (99.38%)

0.989

0.030

(0.0356-0.0358)

20

493792 (98.65%)

0.989

0.030

(0.0354-0.0356)

15

485709 (97.03%)

0.989

0.030

(0.0351-0.0353)

10

466758 (93.25%)

0.990

0.030

(0.0346-0.0348)

5

415562 (83.02%)

0.990

0.030

(0.0334-0.0337)

0

198749 (39.7%)

0.993

0.028

(0.0288-0.0291)

  1. Actual allele frequencies obtained from individual genotyping were compared with estimated allele frequencies from pooled genotyping at various "NoCall" cutoffs.