home *** CD-ROM | disk | FTP | other *** search
-
- _R_e_a_d _D_a_t_a _V_a_l_u_e_s
-
- scan(file="", what=numeric(), nmax=0, sep="",
- skip=0, nlines=0)
-
- _A_r_g_u_m_e_n_t_s:
-
- file : the name of a file to read data values from.
- If the specified file is "", then input is
- taken from the keyboard (in this case input
- can be terminated by a blank line).
-
- what : the type of what gives the type of data to be
- read. If what is a list it is assumed that
- the lines of the data file are records which
- each contain length(what) items.
-
- nmax : the maximum number of data values to be read,
- or if what is a list, the maximum number of
- records to be read.
-
- sep : by default, scan expects to read white-space
- delimited input fields. Alternatively, sep
- can be used to specify a character which del-
- imits fields.
-
- skip : this many lines of the input file should be
- skipped before starting to read data values.
-
- nlines : the maximum number of lines of data to be
- read.
-
- _D_e_s_c_r_i_p_t_i_o_n:
-
- The value of what can be a list of types, in which case
- scan returns a list of vectors with the types given by
- the types of the elements in what. This provides a way
- of reading columnar data. Keyboard entry is terminated
- by typing a blank line.
-
-