

   AAttttrriibbuutteess ooff AAnniimmaallss

        data(animals)

   FFoorrmmaatt::

        A data frame with 20 observations on 6 variables:

         [ , 1]     war     warm-blooded
         [ , 2]     fly     can fly
         [ , 3]     ver     vertebrate
         [ , 4]     end     endangered
         [ , 5]     gro     live in groups
         [ , 6]     hai     have hair

        All variables are encoded as 1 = `no', 2 = `yes'.

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

        This data set considers 6 binary attributes for 20 ani-
        mals.

   DDeettaaiillss::

        This dataset is useful for illustrating monothetic
        (only a single variable is used for each split) hierar-
        chical clustering.

   SSoouurrccee::

        Leonard Kaufman and Peter J. Rousseeuw (1990): Finding
        Groups in Data (pp 297ff).  New York: Wiley.

   RReeffeerreenncceess::

        Anja Struyf, Mia Hubert & Peter J. Rousseeuw (1996):
        Clustering in an Object-Oriented Environment.  Journal
        of Statistical Software, 1.  <URL:
        http://www.stat.ucla.edu/journals/jss/>

   EExxaammpplleess::

        data(animals)
        ma <- mona(animals)
        ma
        ## Plot similar to Figure 10 in Struyf et al (1996)
        plot(ma)

