HornedLizards: Horn Length and Predation Status of Horned Lizards

In abd: The Analysis of Biological Data

Description

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

Format

A data frame with 184 observations on the following 2 variables.

horn.length

a numeric vector

group

a numeric vector

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

str(HornedLizards)

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

Example output

Loading required package: nlme
Loading required package: lattice
Loading required package: grid
Loading required package: mosaic
Loading required package: dplyr

Attaching package: 'dplyr'

The following object is masked from 'package:nlme':

    collapse

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Loading required package: ggformula
Loading required package: ggplot2
Loading required package: ggstance

Attaching package: 'ggstance'

The following objects are masked from 'package:ggplot2':

    GeomErrorbarh, geom_errorbarh


New to ggformula?  Try the tutorials: 
	learnr::run_tutorial("introduction", package = "ggformula")
	learnr::run_tutorial("refining", package = "ggformula")
Loading required package: mosaicData
Loading required package: Matrix

The 'mosaic' package masks several functions from core packages in order to add 
additional features.  The original behavior of these functions should not be affected by this.

Note: If you use the Matrix package, be sure to load it BEFORE loading mosaic.

Attaching package: 'mosaic'

The following object is masked from 'package:Matrix':

    mean

The following object is masked from 'package:ggplot2':

    stat

The following objects are masked from 'package:dplyr':

    count, do, tally

The following objects are masked from 'package:stats':

    IQR, binom.test, cor, cor.test, cov, fivenum, median, prop.test,
    quantile, sd, t.test, var

The following objects are masked from 'package:base':

    max, mean, min, prod, range, sample, sum

'data.frame':	185 obs. of  2 variables:
 $ horn.length: num  25.2 26.9 26.6 25.6 25.7 25.9 27.3 25.1 30.3 25.6 ...
 $ group      : Factor w/ 2 levels "killed","living": 2 2 2 2 2 2 2 2 2 2 ...

abd documentation built on May 2, 2019, 2:14 p.m.