Estimated number of resolved faults at present

exponential model

delayed S-shaped model

infection S-shaped model

parameter

$\alpha$

1.019 × 10⁴

7.887 × 10⁴

6.054 × 10³

$\beta$

1.501 × 10⁻³

2.767 × 10⁻³

7.143 × 10⁻²

c

-

-

4.350 × 10²

$\sigma$

1.697 × 10⁻³

1.395 × 10⁻⁴

1.595 × 10⁻³

AIC

534.055

488.803

460.932