abd (version 0.1-22)

HornedLizards: Horn Length and Predation Status of Horned Lizards

Description

Squamosal horn length (mm; horn.length) and predation status (group; living or killed) for 184 horned lizards (Phrynosoma mcalli).

Usage

data(HornedLizards)

source

Young, K.V., E.D. Brodie, Jr., and E.D. Brodie, III. 2004. How the horned lizard got its horns. Science 304: 65.

References

http://www.sciencemag.org/cgi/pdf_extract/304/5667/65

Examples

data(HornedLizards)
str(HornedLizards)

histogram(~horn.length | group, HornedLizards, 
  layout=c(1,2),
  xlab="Horn Length (mm)")