ohio                package:Fahrmeir                R Documentation

_A_i_r _P_o_l_l_u_t_i_o_n _a_n_d _H_e_a_l_t_h

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

     Air Pollution and Health, annual data on children 7 to ten years
     old in Ohio.

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

     data(ohio)

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

     A data frame with 32 observations on the following 6 variables.

     _a_7 Presence (1) or absence (0) of respiratory infection

     _a_8 Presence (1) or absence (0) of respiratory infection

     _a_9 Presence (1) or absence (0) of respiratory infection

     _a_1_0 Presence (1) or absence (0) of respiratory infection

     _m_o_t_h_e_r._s_m_o_k_e a factor with levels 'no' 'yes'

     _n number of children

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

     Within the harvard Study of Air Pollution and Health, 537 children
      were examined annually from age 7 to 10, on the presence or
     absence of respiratory infection. So there are four repeated
     measurements on each child, or "short time series".  The only
     available covariate is mothers smoking status at start of study.

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

     Ludwig Fahrmeir, Gerhard Tutz (1994):  Multivariate Statistical
     Modelling Based on Generalized Linear Models. Springer Series in
     Statistics.  Springer Verlag. New-York  Berlin Heidelberg

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

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

     str(ohio)
     summary(ohio)

