mcopper              package:expsmooth              R Documentation

_M_o_n_t_h_l_y _c_o_p_p_e_r _p_r_i_c_e_s

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

     Monthly copper prices. Copper, grade A, electrolytic wire
     bars/cathodes,LME,cash (pounds/ton) Source: UNCTAD (<URL:
     http://stats.unctad.org/Handbook>).

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

     data(mcopper)

_F_o_r_m_a_t:

     time series

_S_o_u_r_c_e:

     Hyndman, R.J., Koehler, A.B., Ord, J.K., and Snyder, R.D., (2008)
     _Forecasting with exponential smoothing: the state space
     approach_, Springer

_R_e_f_e_r_e_n_c_e_s:

     <URL: http://www.exponentialsmoothing.net>

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

     plot(mcopper,main="Monthly copper price",ylab="pounds per ton",xlab="Year")

