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.
sp |
species - "B" or "O" for blue or orange
|
sex |
as it says |
index |
index 1:50 within each of the four groups |
FL |
frontal lobe size (mm) |
RW |
rear width (mm) |
CL |
carapace length (mm) |
CW |
carapace width (mm) |
BD |
body depth (mm) |
This data frame contains the following columns:
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.