Table 2 Estimates of parameters of twofold Weibull mixture model
From: Mixture models for analyzing product reliability data: a case study
Parameters | Estimates based on WPP | Estimates based on EM algorithm |
|---|---|---|
\(\hat{\beta }_{1}\) | 0.429 | 1.2098 |
\(\hat{\alpha }_{1}\) | 8.230 | 0.2541 |
\(\hat{\beta }_{2}\) | 2.990 | 2.7802 |
\(\hat{\alpha }_{2}\) | 3.210 | 3.4856 |
\(\hat{p}\) | 0.136 | 0.0176 |
\(\left( {1 - \hat{p}} \right)\) | 0.864 | 0.9823 |