Description
Trunk circumferences (mm) of each of 5 trees recorded at 7 times; all trees were measured at the same time. Age of tree (in days since 31 December 1968) when measured and the corresponding season (spring or autumn) were also recorded.
Usage
orange
To load the file into ASReml-R and view the contents use the commands:
library(asreml)
data(package="asreml")
data("orange")
View(orange)
Format
| A data frame with 4 columns and 35 rows: | |
| Tree | A factor with 5 levels |
| x | Age of tree |
| circ | Trunk circumference (mm) |
| Season | A factor with 2 levels |
References
Draper NR and Smith H (1998). Applied Regression Analysis, 3rd edition. John Wyley and Sons, New York.