agridat (version 1.27)

andres.rice.uniformity: A uniformity trial of rice

Description

A uniformity trial of rice in Ecuador

Usage

data("andres.rice.uniformity")

Format

A data frame with 990 observations on the following 3 variables.

row

row ordinate

col

column ordinate

yield

yield per plot, grams

Details

Uniformity trial conducted in Alfredo Baquerizo Moreno canton of the Guayas province in Ecuador.

Field width: 33 columns x 0.9 m = 29.7 m

Field length: 30 rows x 1 m = 30 m

References

None

Examples

if (FALSE) {
  library(agridat)
  data(andres.rice.uniformity)
  dat <- andres.rice.uniformity

  var(dat$yield) # 5611.803 match andres

  libs(desplot)
  desplot(dat, yield ~ col*row,
          flip=TRUE, aspect=(30*1)/(33*0.9),
          main="andres.rice.uniformity")

}