catHughes

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Hughes' Cat Retina Data

Austin Hughes' data: a point pattern of ganglion cells in the retina of a cat. A marked point pattern.

Keywords
datasets
Usage
data(catHughes)
format

An object of class "ppp" representing the point pattern of cell locations. Entries include ll{ x Cartesian $x$-coordinate of cell y Cartesian $y$-coordinate of cell marks factor with levels 0 and 1 indicating ``off'' and ``on'' cells respectively. } See ppp.object for details of the format.

source

Peter Diggle, personal communication

Notes

Austin Hughes' data: a point pattern of ganglion cells in the retina of a cat. 152 ``on'' cells and 142 ``off'' cells in a rectangle with dimensions 1.6065 by 1.0 where the unit of measurement is approximately 1 mm.

Aliases
  • catHughes
Documentation reproduced from package spatstat, version 1.0-1, License: GPL version 2 or newer

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