Yields from a Barley Field Trial

Arguments

Loc The location.
Var The variety of barley ("manchuria", "svansota", "velvet", "trebi" and "peatland").
Y1 Yield in 1931
Y2 Yield in 1932

SUMMARY

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.

DATA DESCRIPTION

This data frame contains the following columns:

SOURCE

Immer, F.R., Hayes, H.D. and LeRoy Powers (1934) Statistical determination of barley varietal adaptation. Journal of the American Society for Agronomy 26, 403-407.

Fisher, R.A. (1947) The Design of Experiments. 4th edition. Edinburgh: Oliver and Boyd.

Examples

### Not usable in R
Y <- cbind(Y1,Y2)
immer.aov <- aov(Y ~ Loc + Var, data=immer)
summary(immer.aov)


[Package Contents]