

   AApppprroovvaall RRaattiinngg ooff UUSS PPrreessiiddeennttss

        data(presidents)

   FFoorrmmaatt::

        A time series of 120 values.

   DDeessccrriippttiioonn::

        The (approximately) quarterly approval rating for the
        President of the United states from the first quarter
        of 1945 to the last quarter of 1974.

        The data are actually a fudged version of this.  See
        McNeil's book for details.

   SSoouurrccee::

        The Gallup Organisation.

   RReeffeerreenncceess::

        McNeil, D. (1977).  Interactive Data Analysis.  New
        York: Wiley.

