Description
shf (slate hall farm) contains data from a field experiment to compare 25 varieties of wheat at Slate Hall farm, UK, 1976.
Usage
shf
To load the file into ASReml-R and view the contents use the commands:
library(asreml)
data(package="asreml")
data("shf")
View(shf)
Format
| A data frame with 7 columns and 150 rows: | |
| Rep | Complete field replicates, factor with 6 levels |
| RowBlk | Incomplete row blocks; factor with 30 levels |
| ColBlk | Incomplete column blocks; factor with 30 levels |
| Row | Long row blocks; factor with 10 levels |
| Column | Long column blocks; factor with 15 levels |
| Variety | Variety names; factor with 25 levels |
| yield | Grain yield in grams |
Details
The trial was a balanced lattice with 25 varieties in 6 replicates, arranged in a 15 column by 10 row grid of plots.
References
Kempton RA and Fox PN (1997). Statistical Methods for Plant Variety Evaluation. Chapman and Hall.