crab: Australian Crabs Dataset
In ppforest2: Projection Pursuit Oblique Decision Trees and Random Forests
crab R Documentation
Australian Crabs Dataset
Description
Measurements on rock crabs of the genus Leptograpsus. The dataset contains 200 observations
from two species of crab (blue and orange), there are 50 specimens of each sex of each species,
collected on site at Fremantle, Western Australia.
- Type
is the group variable and has 4 groups with the combinations of species and sex (BlueMale, BlueFemale, OrangeMale and OrangeFemale)
.
- FL
the size of the frontal lobe length, in mm
- RW
rear width, in mm
- CL
length of midline of the carapace, in mm
- CW
maximum width of carapace, in mm
- BD
depth of the body; for females, measured after displacement of the abdomen, in mm
Usage
data(crab)
Format
A data frame with 200 rows and 6 variables
Source
Campbell, N. A. & Mahon, R. J. (1974), A Multivariate Study of Variation in Two Species of Rock Crab of genus Leptograpsus, Australian Journal of Zoology 22(3), 417 - 425.
ppforest2 documentation built on July 21, 2026, 9:07 a.m.
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| crab | R Documentation |
Australian Crabs Dataset
Description
Measurements on rock crabs of the genus Leptograpsus. The dataset contains 200 observations from two species of crab (blue and orange), there are 50 specimens of each sex of each species, collected on site at Fremantle, Western Australia.
- Type
is the group variable and has 4 groups with the combinations of species and sex (BlueMale, BlueFemale, OrangeMale and OrangeFemale)
.
- FL
the size of the frontal lobe length, in mm
- RW
rear width, in mm
- CL
length of midline of the carapace, in mm
- CW
maximum width of carapace, in mm
- BD
depth of the body; for females, measured after displacement of the abdomen, in mm
Usage
data(crab)
Format
A data frame with 200 rows and 6 variables
Source
Campbell, N. A. & Mahon, R. J. (1974), A Multivariate Study of Variation in Two Species of Rock Crab of genus Leptograpsus, Australian Journal of Zoology 22(3), 417 - 425.
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