base-deprecated package:base R Documentation _D_e_p_r_e_c_a_t_e_d _F_u_n_c_t_i_o_n_s _i_n _B_a_s_e _p_a_c_k_a_g_e _D_e_s_c_r_i_p_t_i_o_n: These functions are provided for compatibility with older versions of R only, and may be defunct as soon as the next release. _U_s_a_g_e: Sys.putenv(...) _A_r_g_u_m_e_n_t_s: ...: named arguments with values coercible to a character string. _D_e_t_a_i_l_s: The original help page for these functions is often available at 'help("oldName-deprecated")' (note the quotes). Functions in packages other than the base package are listed in 'help("pkg-deprecated")'. 'Sys.putenv' is a deprecated synonym for 'Sys.setenv'. _S_e_e _A_l_s_o: 'Deprecated', 'base-defunct'