参数

估计值

范围

Reference

$\mu$

0.0000421

1/(65 × 365)

${\beta }_{\text{1}}$

$\text{0}\text{.5}\beta$

0-1

Estimated

${\beta }_{\text{2}}$

$\text{0}\text{.2}\beta$

0-1

Estimated

$\delta$

1/5.2

0-1

Estimated

$\gamma$

0.045

0-1

Estimated