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Table 2 Summary of principal component analysis

From: Effect of RNA quality on transcript intensity levels in microarray analysis of human post-mortem brain tissues

 

HG-U133_AB chip

HG-U133_Plus2.0 chip

 

PC_1

PC_2

PC_3

PC_4

PC_1

PC_2

PC_3

PC_4

Proportion of variance, %

46

12

8

6

54

7

7

5

Eigenvalue

4.55

1.24

0.80

0.62

5.37

0.73

0.69

0.60

  1. Summary of principal component analysis of 10-dimensional vectors of correlation coefficients between transcript intensity and the 5'/3' beta actin ratio. The first four principal components out of 10 possible are shown. The first principal component is prevailing for both chip platform data.
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BMC Genomics

ISSN: 1471-2164

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