painters package:MASS R Documentation _T_h_e _P_a_i_n_t_e_r'_s _D_a_t_a _o_f _d_e _P_i_l_e_s _D_e_s_c_r_i_p_t_i_o_n: The subjective assessment, on a 0 to 20 integer scale, of 54 classical painters. The painters were assessed on four characteristics: composition, drawing, colour and expression. The data is due to the Eighteenth century art critic, de Piles. _U_s_a_g_e: painters _F_o_r_m_a_t: The row names of the data frame are the painters. The components are: '_C_o_m_p_o_s_i_t_i_o_n' Composition score. '_D_r_a_w_i_n_g' Drawing score. '_C_o_l_o_u_r' Colour score. '_E_x_p_r_e_s_s_i_o_n' Expression score. '_S_c_h_o_o_l' The school to which a painter belongs, as indicated by a factor level code as follows: '"A"': Renaissance; '"B"': Mannerist; '"C"': Seicento; '"D"': Venetian; '"E"': Lombard; '"F"': Sixteenth Century; '"G"': Seventeenth Century; '"H"': French. _S_o_u_r_c_e: A. J. Weekes (1986) _A Genstat Primer._ Edward Arnold. M. Davenport and G. Studdert-Kennedy (1972) The statistical analysis of aesthetic judgement: an exploration. _Applied Statistics_ *21*, 324-333. I. T. Jolliffe (1986) _Principal Component Analysis._ Springer. _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.