globtemp                package:cobs                R Documentation

_A_n_n_u_a_l _A_v_e_r_a_g_e _G_l_o_b_a_l _S_u_r_f_a_c_e _T_e_m_p_e_r_a_t_u_r_e

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

     Time Series of length 113 of annual average global surface
     temperature deviations from 1880 to 1992.

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

     data(globtemp)

_D_e_t_a_i_l_s:

     This is Example 1 of the COBS paper, where the hypothesis of a
     monotonely increasing trend is considered; Koenker and Schorfheide
     (1994) consider modeling the autocorrelations.

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

     'temp.data' in file 'cobs.shar' available from <URL:
     http://www.cba.nau.edu/pin-ng/cobs.html>.

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

     He, X. and Ng, P. (1999) COBS: Qualitatively Constrained Smoothing
     via Linear Programming; _Computational Statistics_ *14*, 315-337.

     Koenker, R. and Schorfheide F. (1994) Quantile Spline Models for
     Global Temperature Change; _Climate Change_ *28*, 395-404.

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

     data(globtemp)
     plot(globtemp, main = "Annual Global Temperature Deviations")

