Uniformity trial of peach — strickland.peach.uniformity • agridat

Uniformity trial of peach trees in Australia.

Usage

data("strickland.peach.uniformity")

Format

A data frame with 144 observations on the following 3 variables.

row: row
col: column
yield: yield, pounds per tree

Details

Yields are the weight of peaches per individual tree in pounds.

Source

A. G. Strickland (1935). Error in horticultural experiments. Journal of Agriculture, Victoria, 33, 408-416. https://handle.slv.vic.gov.au/10381/386642

References

None

Examples

if (FALSE) { # \dontrun{

library(agridat)

  data(strickland.peach.uniformity)
  dat <- strickland.peach.uniformity

  mean(dat$yield) # 131.3, Strickland has 131.3
  sd(dat$yield)/mean(dat$yield) # 31.1, Strickland has 34.4

  libs(desplot)
  desplot(dat, yield ~ col*row,
          main="strickland.peach.uniformity",
          flip=TRUE, aspect=1)
} # }