crabs {MASS} | R Documentation |
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.
crabs
This data frame contains the following columns:
sp
species
- "B"
or "O"
for blue or orange
sex
index
FL
RW
CL
CW
BD
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.
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.