Estimated number of potential faults at OSS release

exponential model

delayed S-shaped model

infection S-shaped model

parameter

$\alpha$

1.401 × 10³

5.291 × 10²

4.792 × 10²

$\beta$

6.274 × 10⁻³

4.818 × 10⁻²

4.718 × 10⁻²

c

-

-

2.083 × 10¹

$\sigma$

3.165 × 10⁻³

1.113 × 10⁻²

1.535 × 10⁻²

AIC

238.479

238.613

238.961