Research Article

Sine-Weibull Geometric Mixture and Nonmixture Cure Rate Models with Applications to Lifetime Data

Table 9

Parameter estimates of the regression models.

DistributionParameterMixtureNonmixture
EstimateStd. error valueEstimateStd. error value

SWGI3.01610.07002.95420.0751
0.24220.01630.24110.0162
−187.88640.0002−306.57620.0001
−0.87440.1758−0.87170.1691
−0.00980.01050.3511−0.00860.00950.3626
0.00510.27740.9852−0.00080.25380.9976

SWGII0.06210.05450.25480.02680.0045
1.28840.09611.28240.0917
−16.535816.14290.3057−21.02400.0003
−0.91460.1866−0.93900.1809
−0.01290.01070.2273−0.00870.00960.3655
0.01080.28280.96960.00160.25860.9949

W0.93390.07510.63290.0619
0.91270.05281.01450.0582
−0.86710.1720−0.87960.1679
−0.01230.01030.2305−0.00880.00950.3518
0.02250.27200.9339−0.00280.25440.9912

EE0.94600.09131.08890.0956
0.86520.09240.69330.0887
−0.85880.1707−0.87960.1671
−0.01220.01020.2336−0.00880.00950.3527
0.02340.27030.9311−0.00330.25450.9897