Table 7.
NMF mean prediction test errors and the associated standard errors for simulation with zero-inflated weight matrix
| SNR | class 1 ∖class 2 | 2 types | 5 types | 10 types |
|---|---|---|---|---|
| +∞ | 3 types | 0/0 | 0.0048/0.0016 | 0.0158/0.0023 |
| 4 | 0/0 | 0.005/0.0016 | 0.0154/0.0023 | |
| 2 | 0/0 | 0.005/0.0016 | 0.015/0.0024 | |
| 1 | 0/0 | 0.005/0.0016 | 0.0148/0.0021 | |
| +∞ | 6 types | 0.0016/0.0009 | 0.0062/0.0017 | 0.0148/0.0025 |
| 4 | 0.0016/0.0009 | 0.0058/0.0076 | 0.0144/0.0024 | |
| 2 | 0.0014/0.0008 | 0.0066/0.0018 | 0.0148/0.0024 | |
| 1 | 0.0018/0.0010 | 0.0062/0.0016 | 0.0144/0.0025 | |
| +∞ | 9 types | 0.0033/0.0013 | 0.0068/0.0017 | 0.0148/0.0024 |
| 4 | 0.011/0.0018 | 0.0058/0.0015 | 0.0134/0.0022 | |
| 2 | 0.0036/0.0013 | 0.0066/0.0015 | 0.0142/0.0026 | |
| 1 | 0.0032/0.0011 | 0.0078/0.0024 | 0.0156/0.0023 |