Skip to main content

Table 5 Rotated component matrix for post-chip variables (U133A arrays, all samples)

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

QC measure

Component

 

1

2

3

4

IQR_LR1

0.934

   

IQR_LR2

0.928

   

IQRplAbsB_LR1

0.936

   

IQRplAbsB_LR2

0.938

   

DCHIP_AR_OUTLIER

0.771

   

MED_NUSE

0.769

   

DCHIP_SING_OUTLIER

0.557

   

CV_LR1

0.418

   

CV_LR2

0.327

   

B_LR1

 

0.905

  

B_LR2

 

0.855

  

SF

 

0.734

  

DCHIP_PCCALL

 

-0.848

  

PC_PRESENT

 

-0.866

  

NOISE

  

0.959

 

RAWQ

  

0.934

 

BG

  

0.928

 

MEDINT

  

0.874

 

B_ACTIN35

   

0.960

GAPDH35

   

0.946

PVAL_SLOPE

   

0.789

RNADEG_SL

   

0.427

  1. Values less than 0.4 are not shown unless they are the largest for the corresponding variable