Description
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.Format
This data frame contains the following columns:
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).
References
Venables, W. N. and Ripley, B. D. (2002)
Modern Applied Statistics with S. Fourth edition. Springer.