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Table 4 Four main principal components explain ~75% of the variance in post-GeneChip QC measures)

From: Assessment of the relationship between pre-chip and post-chip quality measures for Affymetrix GeneChip expression data

Component

% variance explained

Cumulative variance explained

1

31.6

31.6

2

17.8

49.4

3

13.4

62.8

4

12.1

74.9

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BMC Bioinformatics

ISSN: 1471-2105

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