strickland.apple.uniformity {agridat} | R Documentation |
Uniformity trial in apple in Australia
data("strickland.apple.uniformity")
A data frame with 198 observations on the following 3 variables.
row
row
col
column
yield
yield per tree, pounds
Some recently re-worked trees were removed from the data.
The distance between trees in uncertain, but likely in the range 20-30 feet.
A. G. Strickland (1935). Error in horticultural experiments. Journal of Agriculture, Victoria, 33, 408-416. http://handle.slv.vic.gov.au/10381/386642
None
## Not run: data(strickland.apple.uniformity) dat <- strickland.apple.uniformity require(desplot) desplot(yield ~ col*row, dat, main="strickland.apple.uniformity", flip=TRUE, aspect=(18/11)) ## End(Not run)