2. Class assignment in Iris dataset
| Species | Kmeans | SVD | PCA | ICA | NMF | SNMF | BSNMF | Voting |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 3 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 3 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 3 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 3 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 2 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| setosa | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| versicolor | 3 | 1 | 2 | 3 | 3 | 1 | 2 | 3 |
| versicolor | 2 | 1 | 2 | 3 | 2 | 3 | 2 | 2 |
| versicolor | 2 | 1 | 2 | 3 | 3 | 3 | 3 | 3 |
| versicolor | 2 | 1 | 3 | 2 | 3 | 1 | 2 | 2 |
| versicolor | 3 | 1 | 2 | 2 | 3 | 2 | 2 | 2 |
| versicolor | 3 | 1 | 2 | 2 | 2 | 2 | 3 | 2 |
| versicolor | 3 | 1 | 2 | 3 | 2 | 3 | 2 | 2 |
| versicolor | 3 | 1 | 3 | 2 | 2 | 1 | 2 | 2 |
| versicolor | 2 | 1 | 2 | 2 | 3 | 2 | 3 | 2 |
| versicolor | 2 | 1 | 3 | 2 | 2 | 1 | 2 | 2 |
| versicolor | 3 | 1 | 3 | 2 | 3 | 1 | 3 | 3 |
| versicolor | 3 | 1 | 2 | 3 | 3 | 2 | 2 | 3 |
| versicolor | 2 | 1 | 1 | 2 | 3 | 1 | 3 | 3 |
| versicolor | 2 | 1 | 2 | 2 | 2 | 1 | 3 | 2 |
| versicolor | 3 | 1 | 3 | 1 | 3 | 1 | 1 | 1 |
| versicolor | 3 | 1 | 2 | 3 | 3 | 3 | 3 | 3 |
| versicolor | 3 | 1 | 2 | 1 | 2 | 2 | 2 | 2 |
| versicolor | 3 | 1 | 3 | 2 | 2 | 2 | 3 | 2 |
| versicolor | 3 | 1 | 2 | 2 | 3 | 2 | 3 | 2 |
| versicolor | 3 | 1 | 3 | 2 | 3 | 1 | 3 | 3 |
| versicolor | 3 | 1 | 2 | 3 | 2 | 3 | 2 | 2 |
| versicolor | 3 | 1 | 2 | 2 | 3 | 2 | 2 | 2 |
| versicolor | 3 | 1 | 2 | 2 | 3 | 2 | 3 | 2 |
| versicolor | 3 | 1 | 2 | 2 | 2 | 1 | 2 | 2 |
| versicolor | 2 | 1 | 2 | 2 | 3 | 2 | 2 | 2 |
| versicolor | 2 | 1 | 2 | 3 | 3 | 2 | 2 | 2 |
| versicolor | 3 | 1 | 2 | 2 | 3 | 3 | 3 | 3 |
| versicolor | 3 | 1 | 2 | 3 | 3 | 2 | 3 | 3 |
| versicolor | 3 | 1 | 2 | 2 | 2 | 1 | 3 | 2 |
| versicolor | 2 | 1 | 3 | 2 | 3 | 1 | 2 | 2 |
| versicolor | 2 | 1 | 3 | 2 | 3 | 1 | 2 | 2 |
| versicolor | 3 | 1 | 3 | 2 | 3 | 1 | 2 | 2 |
| versicolor | 3 | 1 | 3 | 2 | 3 | 1 | 2 | 2 |
| versicolor | 3 | 1 | 2 | 2 | 2 | 3 | 3 | 2 |
| versicolor | 2 | 1 | 2 | 1 | 2 | 2 | 3 | 2 |
| versicolor | 3 | 1 | 2 | 3 | 2 | 1 | 2 | 2 |
| versicolor | 3 | 1 | 2 | 3 | 3 | 3 | 3 | 3 |
| versicolor | 3 | 1 | 2 | 2 | 3 | 1 | 2 | 2 |
| versicolor | 2 | 1 | 3 | 1 | 2 | 2 | 2 | 2 |
| versicolor | 3 | 1 | 3 | 2 | 3 | 1 | 3 | 3 |
| versicolor | 3 | 1 | 3 | 2 | 2 | 2 | 3 | 2 |
| versicolor | 2 | 1 | 2 | 2 | 2 | 2 | 3 | 2 |
| versicolor | 2 | 1 | 3 | 2 | 3 | 1 | 2 | 2 |
| versicolor | 3 | 1 | 3 | 2 | 3 | 1 | 3 | 3 |
| versicolor | 3 | 1 | 3 | 2 | 2 | 2 | 3 | 2 |
| versicolor | 2 | 1 | 2 | 2 | 2 | 2 | 3 | 2 |
| versicolor | 3 | 1 | 2 | 2 | 2 | 2 | 2 | 2 |
| versicolor | 2 | 1 | 2 | 2 | 3 | 2 | 3 | 2 |
| versicolor | 3 | 1 | 3 | 2 | 3 | 1 | 1 | 3 |
| versicolor | 3 | 1 | 3 | 2 | 2 | 2 | 3 | 2 |
| virginica | 3 | 1 | 2 | 3 | 2 | 3 | 3 | 3 |
| virginica | 3 | 1 | 2 | 2 | 2 | 2 | 3 | 2 |
| virginica | 3 | 1 | 2 | 3 | 3 | 1 | 3 | 3 |
| virginica | 3 | 1 | 2 | 2 | 2 | 3 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 3 | 2 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 2 | 3 | 3 |
| virginica | 3 | 1 | 3 | 2 | 2 | 1 | 2 | 2 |
| virginica | 2 | 1 | 2 | 3 | 2 | 1 | 2 | 2 |
| virginica | 3 | 1 | 2 | 2 | 3 | 1 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 1 | 3 | 3 |
| virginica | 2 | 1 | 2 | 3 | 3 | 3 | 3 | 3 |
| virginica | 3 | 1 | 2 | 2 | 3 | 3 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 3 | 1 | 3 | 3 |
| virginica | 3 | 1 | 2 | 2 | 3 | 2 | 2 | 2 |
| virginica | 3 | 1 | 2 | 1 | 3 | 2 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 3 | 1 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 1 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 2 | 3 | 3 |
| virginica | 3 | 1 | 2 | 2 | 3 | 1 | 3 | 3 |
| virginica | 3 | 1 | 2 | 2 | 3 | 2 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 3 | 3 | 2 | 3 |
| virginica | 3 | 1 | 2 | 1 | 2 | 2 | 3 | 2 |
| virginica | 3 | 1 | 2 | 3 | 3 | 1 | 2 | 3 |
| virginica | 3 | 1 | 2 | 2 | 3 | 3 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 2 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 2 | 3 | 3 |
| virginica | 3 | 1 | 2 | 2 | 3 | 2 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 2 | 3 | 3 |
| virginica | 3 | 1 | 2 | 2 | 2 | 1 | 3 | 2 |
| virginica | 3 | 1 | 2 | 3 | 2 | 2 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 3 | 1 | 2 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 1 | 3 | 3 |
| virginica | 3 | 1 | 2 | 2 | 2 | 3 | 3 | 3 |
| virginica | 3 | 1 | 2 | 2 | 2 | 3 | 3 | 3 |
| virginica | 3 | 1 | 2 | 2 | 2 | 3 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 3 | 1 | 2 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 3 | 2 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 1 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 3 | 2 | 3 |
| virginica | 3 | 1 | 2 | 3 | 3 | 1 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 3 | 3 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 3 | 1 | 2 | 3 |
| virginica | 3 | 1 | 2 | 2 | 2 | 2 | 3 | 2 |
| virginica | 2 | 1 | 2 | 3 | 2 | 3 | 2 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 3 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 3 | 1 | 2 | 3 |
| virginica | 3 | 1 | 2 | 2 | 3 | 3 | 2 | 3 |
| virginica | 3 | 1 | 2 | 3 | 3 | 2 | 2 | 3 |
| virginica | 2 | 1 | 2 | 3 | 2 | 3 | 3 | 3 |
| virginica | 3 | 1 | 2 | 3 | 2 | 2 | 2 | 2 |
| Error Count | 37 | 100 | 48 | 37 | 43 | 37 | 40 | 21 |
1 : setosa, 2:versicolor, 3:virginica