hgu95av2ALIAS2PROBE package:hgu95av2.db R Documentation _M_a_p _b_e_t_w_e_e_n _C_o_m_m_o_n _G_e_n_e _S_y_m_b_o_l _I_d_e_n_t_i_f_i_e_r_s _a_n_d _M_a_n_u_f_a_c_t_u_r_e_r _I_d_e_n_t_i_f_i_e_r_s _D_e_s_c_r_i_p_t_i_o_n: hgu95av2ALIAS is an R object that provides mappings between common gene symbol identifiers and manufacturer identifiers. _D_e_t_a_i_l_s: Each gene symbol is mapped to a named vector of manufacturer identifiers. The name represents the gene symbol and the vector contains all manufacturer identifiers that are found for that symbol. An 'NA' is reported for any gene symbol that cannot be mapped to any manufacturer identifiers. This mapping includes ALL gene symbols including those which are already listed in the SYMBOL map. The SYMBOL map is meant to only list official gene symbols, while the ALIAS maps are meant to store all used symbols. Mappings were based on data provided by: Entrez Gene ( ftp://ftp.ncbi.nlm.nih.gov/gene/DATA ) on 2008-Apr2 _E_x_a_m_p_l_e_s: # Convert the object to a list xx <- as.list(hgu95av2ALIAS2PROBE) if(length(xx) > 0){ # Get the probe identifiers for the first two aliases xx[1:2] # Get the first one xx[[1]] }