waders  Counts of Waders at 15 Sites in South Africa 
 Description
The waders data frame has 15 rows and 19 columns. The entries are counts of waders in summer. 
Usage
waders
Format
This data frame contains the following columns (species)
- S1
-  Oystercatcher 
- S2
-  White-fronted Plover 
- S3
-  Kitt Lutz's Plover 
- S4
-  Three-banded Plover 
- S5
-  Grey Plover 
- S6
-  Ringed Plover 
- S7
-  Bar-tailed Godwit 
- S8
-  Whimbrel 
- S9
-  Marsh Sandpiper 
- S10
-  Greenshank 
- S11
-  Common Sandpiper 
- S12
-  Turnstone 
- S13
-  Knot 
- S14
-  Sanderling 
- S15
-  Little Stint 
- S16
-  Curlew Sandpiper 
- S17
-  Ruff 
- S18
-  Avocet 
- S19
-  Black-winged Stilt 
The rows are the sites:
A = Namibia North coast
 B = Namibia North wetland
 C = Namibia South coast
 D = Namibia South wetland
 E = Cape North coast
 F = Cape North wetland
 G = Cape West coast
 H = Cape West wetland
 I = Cape South coast
 J= Cape South wetland
 K = Cape East coast
 L = Cape East wetland
 M = Transkei coast
 N = Natal coast
 O = Natal wetland 
Source
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.
Examples
plot(corresp(waders, nf=2))
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Licensed under the GNU General Public License.