summary.princomp package:stats R Documentation _S_u_m_m_a_r_y _m_e_t_h_o_d _f_o_r _P_r_i_n_c_i_p_a_l _C_o_m_p_o_n_e_n_t_s _A_n_a_l_y_s_i_s _D_e_s_c_r_i_p_t_i_o_n: The 'summary' method for class '"princomp"'. _U_s_a_g_e: ## S3 method for class 'princomp': summary(object, loadings = FALSE, cutoff = 0.1, ...) ## S3 method for class 'summary.princomp': print(x, digits = 3, loadings = x$print.loadings, cutoff = x$cutoff, ...) _A_r_g_u_m_e_n_t_s: object: an object of class '"princomp"', as from 'princomp()'. loadings: logical. Should loadings be included? cutoff: numeric. Loadings below this cutoff in absolute value are shown as blank in the output. x: an object of class "summary.princomp". digits: the number of significant digits to be used in listing loadings. ...: arguments to be passed to or from other methods. _V_a_l_u_e: 'object' with additional components 'cutoff' and 'print.loadings'. _S_e_e _A_l_s_o: 'princomp' _E_x_a_m_p_l_e_s: summary(pc.cr <- princomp(USArrests, cor=TRUE)) print(summary(princomp(USArrests, cor=TRUE), loadings = TRUE, cutoff = 0.2), digits = 2)