Group balanced split-plot design in rice
Group balanced split-plot design in rice
A data frame with 270 observations on the following 7 variables.
colcolumn
rowrow
repreplicate factor, 3 levels
fertfertilizer factor, 2 levels
gengenotype factor, 45 levels
groupgrouping (genotype) factor, 3 levels
yieldyield of rice
Genotype group S1 is less than 105 days growth duration, S2 is 105-115 days growth duration, S3 is more than 115 days.
Used with permission of Kwanchai Gomez.
Gomez, K.A. and Gomez, A.A.. 1984, Statistical Procedures for Agricultural Research. Wiley-Interscience. Page 120.
## Not run:
library(agridat)
data(gomez.groupsplit)
dat <- gomez.groupsplit
# Gomez figure 3.10. Obvious fert and group effects
libs(desplot)
desplot(dat, group ~ col*row,
out1=rep, col=fert, text=gen, # aspect unknown
main="gomez.groupsplit")
# Gomez table 3.19 (not partitioned by group)
m1 <- aov(yield ~ fert*group + gen:group + fert:gen:group +
Error(rep/fert/group), data=dat)
summary(m1)
## End(Not run)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.