Polar motion prediction using the combination of SSA and Copula-based analysis

Earth, Planets and Space

Table 6 Success rate of \({\hbox {PM}}_{x}\) prediction [%]

Method\(\backslash\)year	2003	2004	2005	2006	2007	2008	2009	Average
SSA	55.29	33.31	26.52	40.16	22.90	45.94	64.70	41.26
SSA + Clayton	61.71	33.88	31.91	40.17	22.91	45.96	64.95	43.07
SSA + Frank	58.31	34.31	33.61	42.50	22.91	45.97	64.99	43.22
SSA + Gumbel	55.90	33.81	28.31	41.00	22.90	45.94	64.97	41.83