madras                  package:drm                  R Documentation

_M_a_d_r_a_s _L_o_n_g_i_t_u_d_i_n_a_l _S_c_h_i_z_o_p_h_r_e_n_i_a _S_t_u_d_y

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

     Monthly records of presence/abscence of psychiatric symptom
     `thought disorder' of 86 patients over the first year after
     initial hospitalisation for disease.

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

     data(madras)

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

     A data frame with 1032 observations on the following 5 variables.

     _i_d identification number of a patient

     _s_y_m_p_t_o_m response `thought disorder': 0 = absent, 1 = present

     _m_o_n_t_h month since hospitalisation

     _a_g_e age indicator: 0 = less than 20 years, 1 = 20 or over

     _s_e_x sex indicator: 0 = male, 1 = female

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

     Diggle PJ, Heagerty P, Liang KY, Zeger SL (2002).  _The analysis
     of Longitudinal Data, second ed._, pp. 234-43. Oxford University
     Press, Oxford. 


     http://faculty.washington.edu/heagerty/Books/AnalysisLongitudinal/datasets.html

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

     Jokinen J. Fast estimation algorithm for likelihood-based analysis
     of repeated categorical responses. _Computational Statistics and
     Data Analysis_ 2006; 51:1509-1522.

