koch                 package:geepack                 R Documentation

_O_r_d_i_n_a_l _D_a_t_a _f_r_o_m _K_o_c_h

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

     The 'koch' data frame has 288 rows and 4 columns.

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

     data(koch)

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

     This data frame contains the following columns:

     _t_r_t a numeric vector

     _d_a_y a numeric vector

     _y an ordered factor with levels: '1' < '2' < '3'

     _i_d a numeric vector

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

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

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

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

     data(koch)
     fit <- ordgee(ordered(y) ~ trt + as.factor(day), id=id, data=koch, corstr="exch")
     summary(fit)

