A uniformity trial of sesame

A uniformity trial of sesame in Nicaragua

Usage

data("delgadillolopez.sesame.uniformity")

Format

A data frame with 384 observations on the following 3 variables.

row

row ordinate

col

column ordinate

yield

yield, grams per plot

Details

A uniformity trial of sesame conducted in Managua, Nicaragua, in 1969.

Field width: 16 plots * 5 m = 80 m

Field length: 24 rows * 0.915 m = 21.96 m

Data provenance: Data appears in Delgadillo Lobez (1973) table 5. Typed by K.Wright. Table 6 shows 3-row subtotals that were used to correct some data values that were difficult to transcribe.

Source

Delgadillo Lopez, Juan Francisco (1973). Determinación del tamaño óptimo de la unidad experimental en Ajonjolí (Sesamun spp). Thesis, National School of Agriculture, Nicaragua. https://repositorio.una.edu.ni/3076/

References

None

Examples

if (FALSE) { # \dontrun{
  library(agridat)
  data(delgadillolopez.sesame.uniformity)
  dat <- delgadillolopez.sesame.uniformity

  require(desplot)
  desplot(dat, yield ~ col*row,
          flip=TRUE, tick=TRUE, aspect=(24*0.915)/(16*5),
          main="delgadillolopez.sesame.uniformity")

} # }