Research Article
Sine-Weibull Geometric Mixture and Nonmixture Cure Rate Models with Applications to Lifetime Data
Table 9
Parameter estimates of the regression models.
| | Distribution | Parameter | Mixture | Nonmixture | | Estimate | Std. error | value | Estimate | Std. error | value |
| | SWGI | | 3.0161 | 0.0700 | | 2.9542 | 0.0751 | | | 0.2422 | 0.0163 | | 0.2411 | 0.0162 | | | −187.8864 | 0.0002 | | −306.5762 | 0.0001 | | | −0.8744 | 0.1758 | | −0.8717 | 0.1691 | | | −0.0098 | 0.0105 | 0.3511 | −0.0086 | 0.0095 | 0.3626 | | 0.0051 | 0.2774 | 0.9852 | −0.0008 | 0.2538 | 0.9976 |
| | SWGII | | 0.0621 | 0.0545 | 0.2548 | 0.0268 | 0.0045 | | | 1.2884 | 0.0961 | | 1.2824 | 0.0917 | | | −16.5358 | 16.1429 | 0.3057 | −21.0240 | 0.0003 | | | −0.9146 | 0.1866 | | −0.9390 | 0.1809 | | | −0.0129 | 0.0107 | 0.2273 | −0.0087 | 0.0096 | 0.3655 | | 0.0108 | 0.2828 | 0.9696 | 0.0016 | 0.2586 | 0.9949 |
| | W | | 0.9339 | 0.0751 | | 0.6329 | 0.0619 | | | 0.9127 | 0.0528 | | 1.0145 | 0.0582 | | | −0.8671 | 0.1720 | | −0.8796 | 0.1679 | | | −0.0123 | 0.0103 | 0.2305 | −0.0088 | 0.0095 | 0.3518 | | 0.0225 | 0.2720 | 0.9339 | −0.0028 | 0.2544 | 0.9912 |
| | EE | | 0.9460 | 0.0913 | | 1.0889 | 0.0956 | | | 0.8652 | 0.0924 | | 0.6933 | 0.0887 | | | −0.8588 | 0.1707 | | −0.8796 | 0.1671 | | | −0.0122 | 0.0102 | 0.2336 | −0.0088 | 0.0095 | 0.3527 | | 0.0234 | 0.2703 | 0.9311 | −0.0033 | 0.2545 | 0.9897 |
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