Description
harvey: Average daily gain for 65 Hereford steers.
Usage
harvey
To load the file into ASReml-R and view the contents use the commands:
library(asreml)
data(package="asreml")
data("harvey")
View(harvey)
Format
| A data frame with 8 columns and 65 rows: | |
| Calf | A factor with 65 levels |
| Sire | A factor with 9 levels |
| Dam | A factor with 1 level |
| Line | A factor with 3 levels |
| ageOfDam | An integer vector |
| y1 | Age at weaning |
| y2 | Initial weight |
| y3 | Average daily gain (\times 100) |
Details
The age at weaning, initial weight at the start of the test feeding period and average daily gain were recorded on 65 steers from 9 sires and 3 breeding lines; all of the steers were fed for the same length of time.
References
Harvey WR (1960). “Least-squares Analysis of Data with Unequal Subclass Frequencies.” Technical Report ARS 20-8, USDA, Agricultural Research Service. Reprinted with corrections as ARS H-4, 1975.