immer {MASS} | R Documentation |
The immer
data frame has 30 rows and 4 columns. Five varieties of
barley were grown in six locations in each of 1931 and
1932.
immer
This data frame contains the following columns:
Loc
Var
"manchuria"
, "svansota"
, "velvet"
,
"trebi"
and "peatland"
).
Y1
Y2
Immer, F.R., Hayes, H.D. and LeRoy Powers (1934) Statistical determination of barley varietal adaptation. Journal of the American Society for Agronomy 26, 403–419.
Fisher, R.A. (1947) The Design of Experiments. 4th edition. Edinburgh: Oliver and Boyd.
Venables, W. N. and Ripley, B. D. (1999) Modern Applied Statistics with S-PLUS. Third Edition. Springer.
immer.aov <- aov(cbind(Y1,Y2) ~ Loc + Var, data = immer) summary(immer.aov) immer.aov <- aov((Y1+Y2)/2 ~ Var + Loc, data = immer) summary(immer.aov) model.tables(immer.aov, type = "means", se = TRUE, cterms = "Var")