Parameter

Starting Values

EM ( $tol={10}^{-4}$ )

EM ( $tol={10}^{-6}$ )

EM ( $tol={10}^{-8}$ )

$\widehat{\alpha }$

0.3722511

0.6090961

0.60882855

0.6088255

$\widehat{\beta }$

−0.02456226

−0.03574201

−0.03559926

−0.03559527

$\widehat{\delta }$

2.950864

1.33822

1.33576

1.335739

$\widehat{\mu }$

0.4284473

0.5176707

0.516677

0.5166471

Log-likelihood

−1697.415

−1697.81

−1697.814

No. iteration

32

50

67

AIC

3402.83

3403.62

3403.628