ganglion {vis}R Documentation

ganglion

Description

Data frame giving measurements on 14 cats of cp.ratio, the ratio of central to peripheral ganglion cell density, and area, the area (mm^2) of the retina.

Usage

data(ganglion)

Format

A data frame with 14 observations on the following 2 variables.

area
a numeric vector
cp.ratio
a numeric vector

Source

All of the data sets from Cleveland (1993) can be obtained from Statlib by email or ftp. Send the message "send visualizing.data from S" to statlib@lib.stat.cmu.edu, or access lib.stat.cmu.edu by ftp, log in as statlib, and retrieve the file S/visualizing.data. trellis.datasets S-PLUS Language Reference S-Plus, trellis.datasets

References

Cleveland, William S. (1993). Visualizing Data. Hobart Press, Summit, New Jersey.

Examples

data(ganglion)

[Package vis version 1.0 Index]