Counts of Waders at 15 Sites in South Africa
waders data frame has 15 rows and 19 columns.
The entries are counts of waders in summer.
J.C. Gower and D.J. Hand (1996) Biplots Chapman & Hall Table 9.1. Quoted as from:
R.W. Summers, L.G. Underhill, D.J. Pearson and D.A. Scott (1987) Wader migration systems in south and eastern Africa and western Asia. Wader Study Group Bulletin 49 Supplement, 15--34.