

_I_n_i_t_i_a_l_i_z_a_t_i_o_n _a_t _S_t_a_r_t _o_f _a_n _R _S_e_s_s_i_o_n

     .First <- function() { ...... }

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

     In R, the startup mechanism is as follows.  R first
     searches for the site-wide startup profile unless the
     command line option `--no-site-file' was given.  The
     name of this file is taken from the value of the
     `R_PROFILE' (`RPROFILE' as used by older versions is
     now deprecated) environment variable.  If that variable
     is unset, the default is `$R_HOME/etc/Rprofile'.

     Then, unless `--no-init-file' was given, R searches for
     a file called `.Rprofile' in the current directory or
     in the user's home directory (in that order) and
     sources it.

     It also loads a saved image from `.RData' in case there
     is one (unless `--no-restore' was specified).

     Finally, if a function `.First' exists, it is executed
     as `.First()'.

     The functions `.First' and `.Last' can be defined in
     the appropriate startup profiles or reside in `.RData'.

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

     `.Last' for final actions before termination.

