From: Exploring the use of internal and externalcontrols for assessing microarray technical performance
Data subset (control-type) | N samples (hybridizations) | K variables (probesets) | No. of PCs | % Variance Cumulative | RMSEC a | RMSECV b |
---|---|---|---|---|---|---|
hybridization | 137 | 18 | 4 | 94.9 | 0.087 | 0.680 |
polyA+ | 137 | 27 | 4 | 97.3 | 0.117 | 1.48 |
RNAd | 137 | 12 | 3 | 94.6 | 0.143 | 1.05 |
endogenous | 137 | 100 | 7 | 70.8 | 0.125 | 1.52 |