kyphosis                 package:gam                 R Documentation

_A _c_l_a_s_s_i_c _e_x_a_m_p_l_e _d_a_t_a_s_e_t _f_o_r _G_A_M_s

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

     Data on the results of a spinal operation "laminectomy" on
     children, to correct for a condition called "kyphosis"; see Hastie
     and Tibshirani (1990) for details

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

     data(kyphosis)

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

     A data frame with 81 observations on the following 4 variables.

     _K_y_p_h_o_s_i_s a response factor with levels 'absent' 'present'.

     _A_g_e of child in months, a numeric vector

     _N_u_m_b_e_r of vertebra involved in the operation,a numeric vector

     _S_t_a_r_t level of the operation, a numeric vector

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

     Hastie, T. and Tibshirani, R. (1990) _Generalized Additive
     Models._ London: Chapman and Hall.

