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Table 2 Comparison of polyA+ control RMA values averaged for the entire dataset in contrast with a single outlier sample (J111)

From: Exploring the use of internal and externalcontrols for assessing microarray technical performance

PolyA+ Control

Conc. (ng/µL)

log 2 Conc. (ng/µL)

Experiment

RMA values a, b

Sample J111

RMA values a

Difference

Trp

14.7

3.88

4.69

4.26

0.43

Thr

39.1

5.29

8.00

5.06

2.94

Dap

108.9

6.77

7.91

4.33

3.58

Phe

260.0

8.02

10.23

4.80

5.43

Lys

591.1

9.21

11.82

4.61

7.21

  1. a Averaged probeset intensities for each of the polyA+ control group
  2. b Averaged over 137 hybridizations