Parameter

Starting Values

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

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

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

$\widehat{\alpha }$

0.4190067

1.368124

1.394767

1.395091

$\widehat{\beta }$

−0.1054991

−0.2778858

−0.297205

−0.2974406

$\widehat{\delta }$

0.8324058

1.452515

1.480648

1.480994

$\widehat{\mu }$

0.3036691

0.6180421

0.6452299

0.6455598

Log-likelihood

−1224.464

−1223.515

−1223.504

No. iteration

30

77

126

AIC

2456.928

2455.030

2455.008