Two parameter

Three parameter

Estimate

Standard

Improved

Standard

Improved

Threshold

77,951.3706

133,216.7968

77,957.31698

133,211.3589

No. above threshold

20

10

20

10

Proportion above

0.0506

0.0521

0.0506

0.0521

Scale Estimate

1.86E+05

2.98E+05

1.86E+05

2.98E+05

Scale standard error

6.73E+04

1.40E+05

6.73E+04

1.40E+05

Shape Estimate

3.07E−01

1.12E−01

3.07E−01

1.12E−01

Shape standard error

2.92E−01

3.52E−01

2.92E−01

3.52E−01

Asymptotic var-cov.scale

4.53E+09

1.97E+10

4.53E+09

1.97E+10

Asymptotic var-cov.shape

8.54E−02

1.24E−01

8.54E−02

1.24E−01

Deviance

522.5111

271.8956

522.5093

271.896

Penalized Deviance

523.1935

272.0439

523.1918

272.0443

AIC

526.5111

275.8956

526.5093

275.896

Penalized AIC

527.1935

276.0439

527.1918

276.0443