Two parameter

Three parameter

Estimate

Standard

Improved

Standard

Improved

Threshold

107,940.9

209,150.4

107,967.3

209,135.6

No. above threshold

36

17

36

17

Proportion above

0.0506

0.0511

0.0506

0.0511

Scale Estimate

1.42E+05

149300

1.42E+05

1.49E+05

Scale standard error

3.27E+04

4.65E+04

32691.52

4.65E+04

Shape Estimate

−4.60E−02

−0.175

−4.58E−02

−1.75E−01

Shape standard error

1.59E−01

2.00E−01

0.159

2.00E−01

Asymptotic var-cov.scale

1.07E+09

2.16E+09

1.07E+09

2.16E+09

Asymptotic var-cov.shape

2.53E−02

4.00E−02

2.53E−02

4.00E−02

Deviance

926.075

438.3711

926.0622

438.374

Penalized Deviance

926.075

438.3711

926.0622

438.374

AIC

930.075

442.3711

930.0622

442.374

Penalized AIC

930.075

442.3711

930.0622

442.374