From: Using Generalized Procrustes Analysis (GPA) for normalization of cDNA microarray data
Ratio(1) | Method | Without dye bias | With dye bias | ||
---|---|---|---|---|---|
 |  | ν (2) | β (2) | ν | β |
5:5 | Raw | 0.1147 | 0.008632 | 0.1144 | 0.007297 |
 | Housekeeping gene | 0.1133 | 0.008569 | 0.1164 | 0.007326 |
 | GPA | 0.03285 | 0.002833 | 0.03349 | 0.002584 |
7:3 | Raw | 0.1139 | 0.007859 | 0.1186 | 0.007902 |
 | Housekeeping gene | 0.1157 | 0.007937 | 0.1195 | 0.007427 |
 | GPA | 0.0288 | 0.00315 | 0.03133 | 0.003334 |
9:1 | Raw | 0.1172 | 0.007659 | 0.1178 | 0.007916 |
 | Housekeeping gene | 0.1187 | 0.006898 | 0.1152 | 0.009463 |
 | GPA | 0.02785 | 0.004814 | 0.02802 | 0.005119 |