R: Counts of Waders at 15 Sites in South Africa

waders {MASS} | R Documentation

## 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))

[Package MASS version 7.3-35 Index]