Multi-environment trial of wheat in Switzerland
Multi-environment trial of wheat in Switzerland
data("linder.wheat")A data frame with 252 observations on the following 4 variables.
envenvironment
blockblock
gengenotype
yieldyield, in 10 kg/ha
An experiment of 9 varieties of wheat in 7 localities in Switzerland in 1960, RCB design.
Arthur Linder (1960). Design and Analysis of Experiments, notes on lectures held during the fall semester 1963 at the Statistics Department, University of North Carolina, page 160. https://www.stat.ncsu.edu/information/library/mimeo.archive/ISMS_1964_398-A.pdf
None.
library(agridat) data(linder.wheat) dat <- linder.wheat ## Not run: libs(gge) dat <- transform(dat, eb=paste0(env,block)) m1 <- gge(dat, yield~gen*eb, env.group=env) biplot(m1, main="linder.wheat") ## End(Not run)
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