Counts of Waders at 15 Sites in South Africa

The waders data frame has 15 rows and 19 columns. The entries are counts of waders in summer.

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))