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Table 1 Estimates parameters of UC-CN model

From: Trend-cycle decomposition for Peruvian GDP: application of an alternative method

  UC-CN 1 UC-CN 2 UC-CN 3
Coefficient t statistic Coefficient t statistic Coefficient t statistic
\(\sigma _{\eta _{1}}^{2}\) 0.008 0.124     
\(\sigma _{\eta _{2}}^{2}\) 6.112 1.281 6.111 1.044 6.115 1.395
\(\sigma _{\epsilon _{1}}^{2}\) 1.072 6.801 1.072 6.649 1.072 6.933
\(\sigma _{\epsilon _{2}}^{2}\) 3.795 3.730 3.795 3.295 3.795 3.793
σ υ 0.109 1.385 0.109 1.457 0.109 1.521
σ ω 0.010 0.165 0.010 0.085   
ϕ 1 1.416 11.703 1.416 9.287 1.416 12.377
ϕ 2 −0.519 −4.698 −0.519 −3.648 −0.519 −4.816
α 1 0.798 5.426 0.798 4.212 0.798 5.614
α 2 0.903 6.935 0.903 5.422 0.903 7.473
ln(L) −291.662   −291.662   −291.662  
  1. ln(L) is the log of the maximum likelihood value