strickland.tomato.uniformity.Rd
Uniformity trial of tomato in Australia
data("strickland.tomato.uniformity")
A data frame with 180 observations on the following 3 variables.
row
row
col
column
yield
yield per plot, pounds
Tomato plants were placed 2 feet apart in rows 4 feet apart. Each plot contained 6 plants.
Field dimensions are not given, but the most likely design is:
Field length: 6 plots * 6 plants * 2 feet = 72 feet
Field width: 30 plots * 4 feet = 120 feet
A. G. Strickland (1935). Error in horticultural experiments. Journal of Agriculture, Victoria, 33, 408-416. https://handle.slv.vic.gov.au/10381/386642
None
# \dontrun{ library(agridat) data(strickland.tomato.uniformity) dat <- strickland.tomato.uniformity mean(dat$yield)#> [1] 50.47222#> [1] 10.49843libs(desplot) desplot(dat, yield ~ col*row, main="strickland.tomato.uniformity", flip=TRUE, aspect=(6*12)/(30*4))# }