dbGetComparisons            package:maDB            R Documentation

_G_e_t _t_h_e _i_n_f_o_r_m_a_t_i_o_n _a_b_o_u_t _t_h_e _c_o_m_p_a_r_i_s_o_n_s _f_r_o_m _t_h_e _d_a_t_a_b_a_s_e

_D_e_s_c_r_i_p_t_i_o_n:

     This function can be used to get all available information about
     the comparisons that are stored in the database (but without the
     data!).

_U_s_a_g_e:

     dbGetComparisons(con, exp.title = NULL, join.tables = c("signal_channels", "samples", "arrays", "experiments"))

_A_r_g_u_m_e_n_t_s:

     con: The connection to the database.

exp.title: Get the comparisons that were created within a specific
          micro array experiment that was saved in the database. If not
          submitted all comparisons will be returned. To get the
          information about the experiments stored in the database,
          call 'dbGetExperimentInfo'.

join.tables: The tables with which the comparisons will be joined. In
          the default case (which means join to all tables) all
          information concerning the comparisons (which experiment,
          sample, array ... was used) will be returned.

_V_a_l_u_e:

     The function returns a table with rows corresponding to the
     comparisons and columns to the attributes of the different tables
     (column names ending in "red" belong to the red signal channel and
     column names ending in "green" to the green respectively).

_A_u_t_h_o_r(_s):

     Johannes Rainer

_S_e_e _A_l_s_o:

     'dbGetExperimentInfo', 'createJOINQuery'

