Research Article

Comparing Estimation Methods for the FPLD

Table 2

Comparison of FPLD and GLD approximations for asymmetric distributions.

Modelλ1λ2λ3λ4λ5Maxd

Chi-square ν=3 1.10010 2.84313 0.61505 0.48579 0.013380.0046
2.01822 1.07570 0.97596-0.033940.0827
Lognormal (4,2) 3.44560 1.07305 0.16147 0.21008 0.047760.0048
3.56591 3.64067 0.26715 0.01550 0.0193
Weibull (1,3) 0.92565 0.50134-0.15389 0.30875 0.12579 0.0013
0.87453 8.10780 0.26347 0.16478 0.0052
Gumbel (0,1)-0.00050 1.50239 0.32984 0.19211-0.00046 0.0020
0.34406 2.44744 0.33889-0.04845 0.0549
Inv. Gaussian (0.5,6) 0.45521 0.18606 0.17494 0.25786 0.02961 0.0014
0.47729 20.64410 0.328170.00039 0.0044