Table 5 Number of ions detected in each of the four experiments and those selected by statistical analysis in Dataset 2
From: Ion annotation-assisted analysis of LC-MS based metabolomic experiment
Mode | Exp. | # of ions detected | # of ions selected by Wilcoxon rank- sum test (q-value < 0.1) | # of ions selected by t-test (q-value < 0.1) | # of ions selected (t-test or Wilcoxon rank-sum test) |
|---|---|---|---|---|---|
| Â | Exp. 1 | 724 | 7 | 4 | 7 |
Positive | Exp. 2 | 790 | 46 | 52 | 64 |
| Â | Exp. 3 | 864 | 201 | 99 | 201 |
| Â | Exp. 4 | 826 | 0 | 1 | 1 |
| Â | Exp. 1 | 534 | 4 | 4 | 4 |
Negative | Exp. 2 | 487 | 5 | 5 | 5 |
| Â | Exp. 3 | 564 | 71 | 54 | 83 |
| Â | Exp. 4 | 505 | 2 | 5 | 5 |