GAGurine package:MASS R Documentation _L_e_v_e_l _o_f _G_A_G _i_n _U_r_i_n_e _o_f _C_h_i_l_d_r_e_n _D_e_s_c_r_i_p_t_i_o_n: Data were collected on the concentration of a chemical GAG in the urine of 314 children aged from zero to seventeen years. The aim of the study was to produce a chart to help a paediatrican to assess if a child's GAG concentration is 'normal'. _U_s_a_g_e: GAGurine _F_o_r_m_a_t: This data frame contains the following columns: '_A_g_e' age of child in years. '_G_A_G' concentration of GAG (the units have been lost). _S_o_u_r_c_e: Mrs Susan Prosser, Paediatrics Department, University of Oxford, via Department of Statistics Consulting Service. _R_e_f_e_r_e_n_c_e_s: Venables, W. N. and Ripley, B. D. (2002) _Modern Applied Statistics with S._ Fourth edition. Springer.