hoef

Data for spatial analysis of experiments

The hoef data frame has 25 rows and 5 columns. The data consists of a uniformity trial for which artificial treatment effects were assign to the plots.

Usage

data(hoef)

Details

The treatment effects assign to the plots are:

• Treatment 1: \(\tau_1 = 0\)

• Treatment 2: \(\tau_2 = -3\)

• Treatment 3: \(\tau_3 = -5\)

• Treatment 4: \(\tau_4 = 6\)

• Treatment 5: \(\tau_5 = 6\)

Format

This data frame contains the following columns:

x1

x-coordinate of the plot.

x2

y-coordinate of the plot.

dat

the artificial data.

trat

the treatment number.

ut

the data from the uniformity trial, without the treatment effect.

Aliases

• hoef

Examples

# NOT RUN {
hoef.geo <- as.geodata(hoef, covar.col=4)
summary(hoef)
summary(hoef.geo)
points(hoef.geo, cex.min=2, cex.max=2, pt.div="quintiles")
# }