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oats – Split plot design

Description

oats: Yield of oats with four fertilizer treatments.

Usage

oats

To load the file into ASReml-R and view the contents use the commands:

library(asreml)
data(package="asreml")
data("oats")
View(oats)
Format
A data frame with 9 columns and 72 rows:
Blocks Complete field replicates, factor with 6 levels
Nitrogen Factor with 4 levels
Subplots Factor with 4 levels
Variety Factor with 3 levels
Wplots Factor with 3 levels
yield Grain yield in 1/4 lbs.
Column Field column index factor
Row Field row index factor
nrate Numeric nitrogen rates
Details

The yield of oats from a split-plot field trial with three varieties and four levels of nitrogen fertilizer. The experiment was a split plot with 6 blocks of 3 main plots (varieties), each split into 4 sub-plots (nitrogen).

References

Yates F (1935). “Complex Experiments.” Journal of the Royal Statistical Society, Series B, 2, pp. 181-247.

Updated on January 24, 2019

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