ShrinkingSeals: Seal Body Lengths and Age

Description Format Source Examples

Description

Body length (cm) and age (days) for 9,665 female Northern fur seals (Callorhinus ursinus).

Format

A data frame with 9,665 observations on the following 2 variables.

age

age (days)

length

body length (cm)

Source

Trites, A.W. and M.A. Bigg. 1996. Physical growth of northern fur seals: seasonal fluctuations and migratory influences. Journal of Zoology (London) 238: 459-482.

Examples

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str(ShrinkingSeals)

plot(ShrinkingSeals, pch = 16, cex = 0.5)
xyplot(length ~ age, ShrinkingSeals, pch=16, alpha=0.65, cex=0.6)

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':	9665 obs. of  2 variables:
 $ age   : int  5337 2081 2085 4299 2861 5052 5417 2862 2132 3595 ...
 $ length: int  131 123 122 136 122 131 131 135 123 125 ...

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