rats                package:DPpackage                R Documentation

_R_a_t_s

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

     This example is taken from section 6 of Gelfand and Smith (1990),
     and concerns  30 young rats whose weights were measured weekly for
     five weeks.

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

     data(rats)

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

     A data frame with 150 observations on the following 3 variables.

     '_w_e_i_g_h_t' a numeric vector giving the weight of the rat

     '_d_a_y' a numeric vector giving the day of the weight evaluation

     '_r_a_t' an ordered factor giving a unique identifier for the subject
          in the study

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

     Gelfand, A.E. (with S. Hills, A. Racine-Poon and A.F.M. Smith)
     1990. Illustration of  Bayesian Inference in Normal Data Models
     Using Gibbs Sampling. Journal Amer. Stat.  Assoc., 85, 972-985.

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

     Gelfand, A.E. (with S. Hills, A. Racine-Poon and A.F.M. Smith)
     1990. Illustration of  Bayesian Inference in Normal Data Models
     Using Gibbs Sampling. Journal Amer. Stat.  Assoc., 85, 972-985.

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

     data(rats)
     ## maybe str(rats) ; plot(rats) ...

