stability                package:dse1                R Documentation

_C_a_l_c_u_l_a_t_e _S_t_a_b_i_l_i_t_y _o_f _a _T_S_m_o_d_e_l

_D_e_s_c_r_i_p_t_i_o_n:

     Calculate roots and their modulus and indicate stability.

_U_s_a_g_e:

         stability(obj, ...)
         stability(obj, fuzz=1e-4, digits=8, verbose=T)
         stability(obj, digits=8, verbose=T)
         stability(obj, fuzz=1e-4, ...)
         stability(obj, ...)


_A_r_g_u_m_e_n_t_s:

   model: An object of class TSmodel.

    fuzz: Roots within fuzz are considered equal.

  digits: Printing precision.

 verbose: Print roots and there moduli.

_V_a_l_u_e:

     True or False if the model is stable or not stable.

_S_e_e _A_l_s_o:

     `McMillan.degree'

_E_x_a_m_p_l_e_s:

     if(is.R()) data("eg1.DSE.data.diff", package="dse1")
     model <- est.VARX.ls(eg1.DSE.data.diff)
     stability(model)

