Animal: Animal breeding experiment

In SASmixed: Data sets from "SAS System for Mixed Models"

Description

The Animal data frame has 20 rows and 3 columns giving the average daily weight gains for animals with different genetic backgrounds.

Format

This data frame contains the following columns:

Sire

a factor denoting the sire. (5 levels)

Dam

a factor denoting the dam. (2 levels)

AvgDailyGain

a numeric vector of average daily weight gains

Details

This appears to be a constructed data set.

Source

Littel, R. C., Milliken, G. A., Stroup, W. W., and Wolfinger, R. D. (1996), SAS System for Mixed Models, SAS Institute (Data Set 6.4).

Examples

str(Animal)

Example output

'data.frame':	20 obs. of  3 variables:
 $ Sire        : Factor w/ 5 levels "1","2","3","4",..: 1 1 1 1 2 2 2 2 3 3 ...
 $ Dam         : Factor w/ 2 levels "1","2": 1 1 2 2 1 1 2 2 1 1 ...
 $ AvgDailyGain: num  2.24 1.85 2.05 2.41 1.99 1.93 2.72 2.32 2.33 2.68 ...
 - attr(*, "ginfo")=List of 7
  ..$ formula     :Class 'formula'  language AvgDailyGain ~ 1 | Sire/Dam
  .. .. ..- attr(*, ".Environment")=<environment: R_GlobalEnv> 
  ..$ order.groups:List of 2
  .. ..$ Sire: logi TRUE
  .. ..$ Dam : logi TRUE
  ..$ FUN         :function (x)  
  ..$ outer       : NULL
  ..$ inner       : NULL
  ..$ labels      :List of 1
  .. ..$ AvgDailyGain: chr "Average Daily Weight Gain"
  ..$ units       : list()

SASmixed documentation built on May 1, 2019, 9:18 p.m.