millet {SMPracticals}

Millet Data

Description

Data from an experiment conducted to determine the optimal planting distance between plants in rows of millet. The rows were 1 foot apart. The design was a 5 x 5 Latin square.

Usage

data(millet)

Format

A data frame with 25 observations on the following 4 variables.

row

Row label, coded 1-5.

col

Column label, coded 1-5.

dist

distances between plants:2, 4, 6, 8, or 10 inches.

y

Average yield (grams) of three central rows, 15 feet long after allowing for discards, from each plot.

Source

Unpublished lecture notes, Imperial College, London.

Examples

data(millet)
## maybe str(millet) ; plot(millet) ...