Table 1.
Simulated dataset—performance of the different methods in terms of the fraction of correctly classified, mean error (ME), and root-mean-squared error (RMSE).
|
Fraction of Correctly
Classified |
T-VAF
(90%) |
T-VAF
(95%) |
E-VAF | P-VAF | ChoOSyn |
| No noise | 2/75 | 36/75 | 75/75 | 75/75 | 73/75 |
| SNR = 30 dB | 0/75 | 24/75 | 75/75 | 75/75 | 73/75 |
| SNR = 25 dB | 0/75 | 18/75 | 75/75 | 75/75 | 74/75 |
| SNR = 20 dB | 0/75 | 9/75 | 74/75 | 72/75 | 72/75 |
| SNR = 15 dB | 0/75 | 0/75 | 65/75 | 73/75 | 63/75 |
| ME 1 |
T-VAF
(90%) |
T-VAF
(95%) |
E-VAF | P-VAF | ChoOSyn |
| No noise | −1.29 | −0.52 | 0.00 | 0.00 | −0.03 |
| SNR = 30 dB | −1.48 | −0.68 | 0.00 | 0.00 | −0.03 |
| SNR = 25 dB | −1.57 | −0.79 | 0.00 | 0.00 | −0.01 |
| SNR = 20 dB | −2.11 | −1.04 | 0.01 | 0.04 | −0.05 |
| SNR = 15 dB | −3.07 | −1.93 | −0.15 | 0.03 | 0.04 |
| RMSE 1 |
T-VAF
(90%) |
T-VAF
(95%) |
E-VAF | P-VAF | ChoOSyn |
| No noise | 1.39 | 0.72 | 0.00 | 0.00 | 0.16 |
| SNR = 30 dB | 1.56 | 0.82 | 0.00 | 0.00 | 0.16 |
| SNR = 25 dB | 1.65 | 0.92 | 0.00 | 0.00 | 0.12 |
| SNR = 20 dB | 2.19 | 1.17 | 0.12 | 0.20 | 0.28 |
| SNR = 15 dB | 3.15 | 2.00 | 0.53 | 0.16 | 0.53 |
1 Unit of measure of ME and RMSE: number of synergies.