Research Article
A Hybrid Method for Short-Term Host Utilization Prediction in Cloud Computing
Table 4
Positive and negative error analysis.
| Host ID | Prediction length | ARIMA | EEMD-ARIMA | EEMD-RT-ARIMA | Positive error (%) | Negative error (%) | Positive error (%) | Negative error (%) | Positive error (%) | Negative error (%) |
| 839 | 6-point | Null | 9.77 | 3.16 | 5.85 | 4.92 | 4.15 | 12-point | Null | 13.78 | 3.43 | 10.71 | 4.80 | 4.74 |
| 22 | 6-point | Null | 10.66 | 3.91 | 6.70 | 4.12 | 6.34 | 12-point | Null | 9.72 | 4.26 | 6.09 | 5.39 | 5.05 |
| 237 | 6-point | 0.39 | 26.68 | 14.31 | 4.62 | 13.81 | 11.37 | 12-point | 0.39 | 27.51 | 17.44 | 8.00 | 17.90 | 8.92 |
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