Comparing Estimation Methods for the FPLD

Table 3

Comparison of FPLD interpolations.

Method	${\lambda }_1$	${\lambda }_2$	${\lambda }_3$	${\lambda }_4$	${\lambda }_5$	$\nu$	$r(\mathbf{\lambda })$
Ghosh [36]
NLS	13.5553	48.5361	0.9978	$-0.5401$	0.1851	1283	0.7812
OD	14.7086	46.5057	0.9917	$-0.6384\mathrm{\hspace{0.17em}\hspace{0.17em}}$	0.1140	1158	0.3821
DLA	15.2217	51.2328	09160	0.9585	0.2036	9287	0.3771
Gupta and Parzen [37]
NLS	5.4370	2.9152	$-0.1544$	0.6544	$-0.1097$	1097	0.8468
OD	6.3223	3.4372	$-0.6018$	0.8189	$-0.4031$	1139	0.9100
DLA	4.9864	2.6533	0.1058	0.5644	$-0.0895$	2673	0.7579
Hankin and Lee [38]
NLS	5.4882	4.6259	0.6731	$\mathrm{\hspace{0.17em}\hspace{0.17em}}-0.0152$	0.2025	1095	0.6982
OD	5.5427	4.4453	0.6759	$\mathrm{\hspace{0.17em}\hspace{0.17em}}-0.0896$	0.1620	1049	0.5605
DLA	5.9392	4.0234	0.5977	$\mathrm{\hspace{0.17em}\hspace{0.17em}}-0.0764$	0.0935	5395	0.6147
Pal [39]
NLS	6.3981	0.1982	0.7108	$\mathrm{\hspace{0.17em}\hspace{0.17em}}-0.0518$	0.2184	961	0.6771
OD	6.3971	0.1933	0.7330	$\mathrm{\hspace{0.17em}\hspace{0.17em}}-0.1266$	0.1983	1082	0.5337
DLA	6.4183	0.1803	0.5849	$-0.0087$	0.1329	2272	0.6142