截断概率

估计量

n

Bias

$\widehat{SE}$

95%置信区间

0.2

${\widehat{\beta }}_{PLM}$

100

0.0234

0.0219

(2.93, 3.02)

200

0.0039

0.0148

(2.97, 3.03)

400

0.0281

0.0097

(2.95, 2.99)

${\widehat{\beta }}_{NP}$

100

0.0114

0.0044

(2.98, 3)

200

−0.0106

0.0047

(3, 3.02)

400

0.0043

0.0030

(2.99, 3)

0.4

${\widehat{\beta }}_{PLM}$

100

0.0151

0.0199

(2.95, 3.02)

200

0.0258

0.0118

(2.95, 3)

400

0.0071

0.0083

(2.98, 3.01)

${\widehat{\beta }}_{NP}$

100

−0.0184

0.0127

(2.99, 3.03)

200

0.0125

0.0023

(2.98, 2.99)

400

−0.0058

0.0014

(3, 3.01)