corMatrix.pdMat package:nlme R Documentation _E_x_t_r_a_c_t _C_o_r_r_e_l_a_t_i_o_n _M_a_t_r_i_x _f_r_o_m _a _p_d_M_a_t _O_b_j_e_c_t _D_e_s_c_r_i_p_t_i_o_n: The correlation matrix corresponding to the positive-definite matrix represented by 'object' is obtained. _U_s_a_g_e: ## S3 method for class 'pdMat': corMatrix(object, ...) _A_r_g_u_m_e_n_t_s: object: an object inheriting from class 'pdMat', representing a positive definite matrix. ...: some methods for this generic require additional arguments. None are used in this method. _V_a_l_u_e: the correlation matrix corresponding to the positive-definite matrix represented by 'object'. _A_u_t_h_o_r(_s): Jose Pinheiro Jose.Pinheiro@pharma.novartis.com and Douglas Bates bates@stat.wisc.edu _S_e_e _A_l_s_o: 'as.matrix.pdMat', 'pdMatrix' _E_x_a_m_p_l_e_s: pd1 <- pdSymm(diag(1:4)) corMatrix(pd1)