

   VVeeccttoorr TTyyppeess

        vector(type="logical", length=0)
        as.vector(x,mode="any")
        is.vector(x)

   DDeessccrriippttiioonn::

        `vector' produces a vector of the given length and
        type.  Logical vector elements are initialized to
        `FALSE', numeric vector elements to `0' and character
        vector elements to `""'.

        `as.vector' attempts to coerce its argument into a vec-
        tor of mode `mode' (the default is to coerce to
        whichever mode is most convenient).  The attributes of
        `x' are removed.

        `is.vector' returns `TRUE' if `x' is a vector (of mode
        logical, factor, integer, real or character) and
        `FALSE' otherwise.

