

   PPaattaaccaammaayyaa:: GGrreeeennhhoouussee eexxppeerriimmeenntt aatt PPaattaaccaammaayyaa

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

        This dataset contains the following variables:

        y       Daily (nightly) minimum temperature
        inside greenhouse, degrees centigrades.
        a       Minimum ambiental temperature.
        inv     factor for 12 greenhouses.
        tipo    factor for 4 different greenhouse

        constructions.

        Data due to Cecilia Martinez, from an experiment at
        Patacamaya, the Bolivian altiplano.

