agridat (version 1.27)

trought.cotton.uniformity: Uniformity trial of cotton in Sudan

Description

Uniformity trial of cotton in Sudan, 1936

Usage

data("trought.cotton.uniformity")

Format

A data frame with 192 observations on the following 3 variables.

row

row ordinate

col

column ordinate

yield

yield in grams per plot

Details

An experiment conducted in Wad Medani, Sudan, in 1936.

Field width: 8 plots * 12.5 m = 100 m

Field length: 24 ridges * 0.9 m = 21.6 m

Data provenance: Scanned with iPhone, cleaned and formatted by K.Wright.

References

None

Examples

if (FALSE) {
  library(agridat)
  data(trought.cotton.uniformity)
  dat <- trought.cotton.uniformity
  
  libs(desplot)
  desplot(dat, yield ~ col*row,
          flip=TRUE, tick=TRUE, aspect=(24*.9)/(8*12.5),
          main="trought.cotton.uniformity")
}