Bamboo progeny trial
Bamboo progeny trial in 2 locations, 3 blocks
data("jayaraman.bamboo")A data frame with 216 observations on the following 5 variables.
loclocation factor
blockblock factor
treetree factor
familyfamily factor
heightheight, cm
Data from a replicated trial of bamboo at two locations in Kerala, India. Each location had 3 blocks. In each block were 6 families, with 6 trees in each family.
K. Jayaraman (1999). "A Statistical Manual For Forestry Research". Forestry Research Support Programme for Asia and the Pacific. Page 170.
None
## Not run: library(agridat) data(jayaraman.bamboo) dat <- jayaraman.bamboo # very surprising differences between locations libs(lattice) bwplot(height ~ family|loc, d2, main="jayaraman.bamboo") # match Jayarman's anova table 6.3, page 173 # m1 <- aov(height ~ loc+loc:block + family + family:loc + family:loc:block, data=d2) # anova(m1) # more modern approach with mixed model, match variance components needed # for equation 6.9, heritability of the half-sib averages as m2 <- lme4::lmer(height ~ 1 + (1|loc/block) + (1|family/loc/block), data=d2) lucid::vc(m2) ## End(Not run)
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