Table 2.
Summary of the results for STE.
| Experiment: STE. A2, NO. (2 sources) | ||||||
|---|---|---|---|---|---|---|
| Random | K-means | FCM | PCA | FastICA | NMF (als) | |
| euc | A2: 0.94 | A2: 0.94 | A2: 0.94 | A2: .83 | A2: 0.96 | A2: 0.92 |
| NO: 0.87 | NO: 0.97 | NO: 0.96 | NO: 0.93 | NO: 0.76 | NO: 0.75 | |
| als | A2: 0.92 | A2: 0.95 | A2: .95 | A2: .92 | A2: 0.93 | A2: 0.92 |
| NO: 0.75 | NO: 0.96 | NO: 0.96 | NO: 0.96 | NO: 0.83 | NO: 0.75 | |
| alspg | A2: 0.93 | A2: 0.95 | A2: .95 | A2: .92 | A2: 0.95 | A2: 0.92 |
| NO: 0.75 | NO: 0.96 | NO: 0.96 | NO: 0.96 | NO: 0.75 | NO: 0.75 | |
| alsobs | A2: 0.92 | A2: 0.94 | A2: .94 | A2: .92 | A2: 0.95 | A2: 0.92 |
| NO: 0.76 | NO: 0.96 | NO: 0.96 | NO: 0.96 | NO: 0.75 | NO: 0.75 | |
| convex | A2: 0.99 | A2: 0.99 | A2: .99 | A2: .98 | A2: 0.99 | A2: .99 |
| NO: 0.99 | NO: 1.00 | NO: 1.00 | NO: 1.00 | NO: 0.99 | NO: 1.00 | |
| Experiment: STE. A2, ME, NO. (3 sources) | ||||||
| Random | K-means | FCM | PCA | FastICA | NMF (als) | |
| euc | A2: 0.93 | A2: 0.94 | A2: 0.93 | A2: 0.91 | A2: 0.94 | A2: 0.93 |
| ME: 0.98 | ME: 0.98 | ME: 0.98 | ME: 0.86 | ME: 0.99 | ME: 0.98 | |
| NO: 0.83 | NO: 0.80 | NO: 0.89 | NO: 0.87 | NO: 0.86 | NO: 0.74 | |
| als | A2: 0.93 | A2: 0.94 | A2: 0.94 | A2: 0.94 | A2: 0.94 | A2: 0.93 |
| ME: 0.98 | ME: 0.98 | ME: 0.98 | ME: 0.98 | ME: 0.98 | ME: 0.98 | |
| NO: 0.75 | NO: 0.74 | NO: 0.74 | NO: 0.74 | NO: 0.74 | NO: 0.74 | |
| alspg | A2: 0.94 | A2: 0.93 | A2: 0.93 | A2: 0.94 | A2: 0.94 | A2: 0.94 |
| ME: 0.98 | ME: 0.98 | ME: 0.98 | ME: 0.98 | ME: 0.98 | ME: 0.98 | |
| NO: 0.69 | NO: 0.73 | NO: 0.73 | NO: 0.69 | NO: 0.70 | NO: 0.74 | |
| alsobs | A2: 0.94 | A2: 0.94 | A2: 0.94 | A2: 0.94 | A2: 0.94 | A2: 0.94 |
| ME: 0.98 | ME: 0.98 | ME: 0.98 | ME: 0.98 | ME: 0.98 | ME: 0.98 | |
| NO: 0.69 | NO: 0.69 | NO: 0.72 | NO: 0.69 | NO: 0.71 | NO: 0.69 | |
| convex | A2: 0.98 | A2: 0.99 | A2: 0.99 | A2: 0.91 | A2: 0.99 | A2: 0.99 |
| ME: 1.00 | ME: 1.00 | ME: 1.00 | ME: 0.99 | ME: 0.99 | ME: 0.99 | |
| NO: 0.99 | NO: 1.00 | NO: 1.00 | NO: 0.93 | NO: 0.99 | NO: 0.99 | |
| Experiment: STE. A2, GL, NO. (3 sources) | ||||||
| Random | K-means | FCM | PCA | FastICA | NMF (als) | |
| euc | A2: 0.94 | A2: 0.91 | A2: 0.91 | A2: 0.70 | A2: 0.95 | A2: 0.91 |
| GL: 0.95 | GL: 0.91 | GL: 0.94 | GL: 0.56 | GL: 0.96 | GL: 0.95 | |
| NO: 0.81 | NO: 0.92 | NO: 0.92 | NO: 0.65 | NO: 0.85 | NO: 0.80 | |
| als | A2: 0.91 | A2: 0.90 | A2: 0.90 | A2: 0.90 | A2: 0.91 | A2: 0.90 |
| GL: 0.95 | GL: 0.95 | GL: 0.95 | GL: 0.95 | GL: 0.95 | GL: 0.95 | |
| NO: 0.76 | NO: 0.90 | NO: 0.89 | NO: 0.83 | NO: 0.79 | NO: 0.82 | |
| alspg | A2: 0.90 | A2: 0.91 | A2: 0.91 | A2: 0.90 | A2: 0.93 | A2: 0.90 |
| GL: 0.95 | GL: 0.93 | GL: 0.93 | GL: 0.95 | GL: 0.95 | GL: 0.95 | |
| NO: 0.84 | NO: 0.93 | NO: 0.93 | NO: 0.85 | NO: 0.72 | NO: 0.83 | |
| alsobs | A2: 0.93 | A2: 0.91 | A2: 0.91 | A2: 0.91 | A2: 0.92 | A2: 0.92 |
| GL: 0.95 | GL: 0.95 | GL: 0.93 | GL: 0.95 | GL: 0.95 | GL: 0.95 | |
| NO: 0.72 | NO: 0.80 | NO: 0.93 | NO: 0.80 | NO: 0.72 | NO: 0.74 | |
| convex | A2: 0.95 | A2: 0.98 | A2: 0.94 | A2: 0.94 | A2: 0.99 | A2: 0.99 |
| GL: 0.98 | GL: 0.98 | GL: 0.98 | GL: 0.98 | GL: 0.98 | GL: 0.98 | |
| NO: 0.94 | NO: 1.00 | NO: 0.94 | NO: 0.95 | NO: 0.99 | NO: 1.00 | |
| Experiment: STE. A2, MM, NO. (3 sources) | ||||||
| Random | K-means | FCM | PCA | FastICA | NMF (als) | |
| euc | A2: 0.93 | A2: 0.91 | A2: 0.95 | A2: 0.83 | A2: 0.94 | A2: 0.92 |
| MM: 0.57 | MM: 0.56 | MM: 0.54 | MM: 0.74 | MM: 0.64 | MM: 0.57 | |
| NO: 0.83 | NO: 0.95 | NO: 0.73 | NO: 0.89 | NO: 0.77 | NO: 0.79 | |
| als | A2: 0.93 | A2: 0.93 | A2: 0.93 | A2: 0.92 | A2: 0.93 | A2: 0.92 |
| MM: 0.57 | MM: 0.57 | MM: 0.57 | MM: 0.57 | MM: 0.57 | MM: 0.57 | |
| NO: 0.76 | NO: 0.79 | NO: 0.77 | NO: 0.75 | NO: 0.76 | NO: 0.75 | |
| alspg | A2: 0.92 | A2: 0.93 | A2: 0.91 | A2: 0.91 | A2: 0.92 | A2: 0.92 |
| MM: 0.57 | MM: 0.57 | MM: 0.57 | MM: 0.57 | MM: 0.57 | MM: 0.57 | |
| NO: 0.77 | NO: 0.80 | NO: 0.81 | NO: 0.81 | NO: 0.80 | NO: 0.75 | |
| alsobs | A2: 0.92 | A2: 0.92 | A2: 0.92 | A2: 0.92 | A2: 0.92 | A2: 0.92 |
| MM: 0.57 | MM: 0.57 | MM: 0.57 | MM: 0.57 | MM: 0.57 | MM: 0.57 | |
| NO: 0.77 | NO: 0.80 | NO: 0.80 | NO: 0.80 | NO: 0.76 | NO: 0.77 | |
| convex | A2: 0.95 | A2: 0.98 | A2: 0.93 | A2: 0.96 | A2: 0.98 | A2: 0.98 |
| MM: 0.98 | MM: 0.90 | MM: 0.91 | MM: 0.79 | MM: 0.86 | MM: 0.85 | |
| NO: 0.91 | NO: 1.00 | NO: 0.95 | NO: 0.98 | NO: 0.99 | NO: 0.98 | |
Summary of the correlation values for the sources most highly correlating with each type of tissue as expressed by its mean spectrum, for different diagnostic problems at STE, and for all the NMF methods and the initialisation conditions in the study. The diagnostic problems are: A2, NO; A2, ME, NO; A2, GL, NO; and A2, MM, NO