Description Usage Format Source References
The crabs
data frame has 200 rows and 8 columns, describing 5
morphological measurements on 50 crabs each of two colour forms and both
sexes, of the species Leptograpsus variegatus collected at Fremantle,
W. Australia.
1 |
This data frame contains the following columns:
species
- "B"
or "O"
for blue or orange.
"M"
(Male) or "F"
(Female).
index 1:50
within each of the four groups.
frontal lobe size (mm).
rear width (mm).
carapace length (mm).
carapace width (mm).
body depth (mm).
Campbell, N.A. and Mahon, R.J. (1974) A multivariate study of variation in two species of rock crab of genus Leptograpsus. Australian Journal of Zoology 22, 417–425.
MASS, R-Package
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.
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