Table 4.
Characterization of differentially expressed groups representing differentially expressed genes from eight gene expression data sets
| Data set | Total number of groups | Number of genes represented by |
|||
|---|---|---|---|---|---|
| A single group | Multiple subgroupsa |
||||
| (a) Yes versus no | (b) Small versus large | (c) Down versus up | |||
| GSE3678 | 1430 | 1383 | 0 | 5 | 0 |
| GSE4051 | 4006 | 3656 | 126 | 24 | 13 |
| GSE4799 | 5122 | 4239 | 348 | 16 | 43 |
| GSE9371 | 1593 | 1509 | 32 | 3 | 2 |
| BrCa | 947 | 915 | 5 | 1 | 0 |
| VSMC | 451 | 447 | 1 | 0 | 0 |
| GonFat | 4559 | 4449 | 14 | 3 | 13 |
| IngFat | 3049 | 2933 | 32 | 2 | 6 |
aColumns refer to discordant groups where (a) one is changing and the other is not; (b) both are changing in the same direction, but with different magnitudes; and (c) one is increasing while the other is decreasing.