Table 3 Fitting performance comparisons for SRGMs using fault datasets of big data system software.
From: A software reliability model for open source big data systems based on Weibull–Weibull distribution
Model | DS1-1 (100%) | DS1-2 (100%) | DS1-3 (100%) | DS2-1 (100%) | DS2-2 (100%) | DS2-3 (100%) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MSE | R2 | TS | MEOP | MSE | R2 | TS | MEOP | MSE | R2 | TS | MEOP | MSE | R2 | TS | MEOP | MSE | R2 | TS | MEOP | MSE | R2 | TS | MEOP | |
G-O model | 30.75 | 0.5639 | 51.95 | 4.626 | 6.55 | 0.532 | 48.77 | 1.8703 | 23.94 | 0.647 | 44.13 | 4.2536 | 295.37 | 0.2664 | 77.74 | 11.575 | 269.7 | 0.4205 | 65.36 | 13.764 | 161.42 | 0.5532 | 53.94 | 10.2 |
DSS model | 12.6 | 0.8213 | 33.25 | 2.9405 | 3.8 | 0.7283 | 37.17 | 1.5774 | 7.49 | 0.8896 | 24.68 | 2.3913 | 222.08 | 0.4485 | 67.41 | 9.967 | 156.15 | 0.6645 | 49.73 | 10.012 | 67.26 | 0.8138 | 34.82 | 6.3898 |
ISS model | 1.21 | 0.9835 | 10.1 | 0.9645 | 1.53 | 0.8928 | 23.34 | 1.1102 | 1.22 | 0.9832 | 9.63 | 0.9293 | 90.68 | 0.7799 | 42.58 | 5.9381 | 33.82 | 0.9296 | 22.78 | 4.0495 | 1.37 | 0.9963 | 4.92 | 0.9587 |
GGO model | 10.93 | 0.8509 | 30.37 | 2.0638 | 3.24 | 0.774 | 33.89 | 1.5371 | 2.37 | 0.9673 | 13.42 | 1.3798 | 186.26 | 0.5479 | 61.03 | 61.03 | 77.01 | 0.8397 | 34.38 | 6.4131 | 40.45 | 0.8902 | 26.74 | 4.9571 |
Zhang-Teng -Pham model | 18.47 | 0.7783 | 37.03 | 3.9889 | 2.11 | 0.8626 | 26.43 | 1.3393 | 9.59 | 0.8963 | 23.91 | 3.1635 | 143.94 | 0.675 | 51.74 | 8.1141 | 267.46 | 0.4972 | 60.89 | 14.262 | 27.33 | 0.9303 | 21.31 | 4.3374 |
Li model | 5.42 | 0.929 | 20.96 | 1.966 | 3.04 | 0.7927 | 32.46 | 1.448 | 15.22 | 0.8055 | 32.75 | 3.6469 | 164.28 | 0.6106 | 56.64 | 8.8897 | 67.16 | 0.8647 | 31.58 | 6.2025 | 19.14 | 0.9491 | 18.21 | 3.5553 |
Proposed model | 1.04 | 0.9869 | 9.01 | 0.9098 | 0.77 | 0.9488 | 16.14 | 0.6802 | 1.18 | 0.9861 | 8.75 | 0.8979 | 17.24 | 0.9601 | 18.13 | 3.0331 | 6.23 | 0.9879 | 9.46 | 2.1465 | 1.33 | 0.9965 | 4.76 | 0.8456 |