样本容量

$\sigma$未参数化

$\sigma$参数化

${\beta }_1\left(0.25\right)$

${\beta }_1\left(0.5\right)$

${\beta }_1\left(0.75\right)$

${\beta }_1\left(0.25\right)$

${\beta }_1\left(0.5\right)$

${\beta }_1\left(0.75\right)$

2.000

2.000

2.000

2.000

2.000

2.000

25

1.718

2.025

2.036

1.832

2.045

1.989

0.134

0.051

0.069

0.045

0.040

0.046

2.000

2.000

2.000

2.000

2.000

2.000

50

1.939

1.982

2.138

1.962

1.958

2.101

0.057

0.048

0.045

0.034

0.038

0.028

2.000

2.000

2.000

2.000

2.000

2.000

75

2.000

2.042

2.068

2.035

2.040

2.017

0.052

0.040

0.044

0.033

0.028

0.027

2.000

2.000

2.000

2.000

2.000

2.000

1000

2.004

2.044

2.036

2.011

2.041

2.010

0.024

0.022

0.026

0.015

0.015

0.016