rats: Rat skulls data
In shapes: Statistical Shape Analysis
rats R Documentation
Rat skulls data
Description
Rat skulls data, from X rays. 8 landmarks
in 2 dimensions, 18 individuals observed at 7, 14, 21, 30, 40, 60, 90, 150 days.
Usage
data(rats)
Format
rats$x: An array of landmark configurations 144 x 2 x 2
rats$no: Individual rat number (note rats 3, 13, 20 missing due to incomplete data)
rats$time observed time in days
Source
Vilmann's rat data set (Bookstein, 1991,
Morphometric Tools for Landmark Data: Geometry and Biology, pp. 408-414)
References
Bookstein, F.L. (1991). Morphometric tools for landmark data: geometry and biology, Cambridge University Press.
Examples
data(rats)
plotshapes(rats$x,col=1:8)
shapes documentation built on Feb. 16, 2023, 8:16 p.m.
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| rats | R Documentation |
Rat skulls data
Description
Rat skulls data, from X rays. 8 landmarks in 2 dimensions, 18 individuals observed at 7, 14, 21, 30, 40, 60, 90, 150 days.
Usage
data(rats)
Format
rats$x: An array of landmark configurations 144 x 2 x 2
rats$no: Individual rat number (note rats 3, 13, 20 missing due to incomplete data)
rats$time observed time in days
Source
Vilmann's rat data set (Bookstein, 1991, Morphometric Tools for Landmark Data: Geometry and Biology, pp. 408-414)
References
Bookstein, F.L. (1991). Morphometric tools for landmark data: geometry and biology, Cambridge University Press.
Examples
data(rats) plotshapes(rats$x,col=1:8)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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