rothamsted.brussels.Rd
RCB experiment of brussels sprouts, 9 fertilizer treatments
A data frame with 48 observations on the following 5 variables.
row
row
col
column
yield
yield of saleable sprouts, pounds
trt
treatment, 9 levels
block
block, 4 levels
The block numbers are arbitrary, and may not match the orignal source.
Plots were 10 yards x 14 yards. Plot orientation is not clear.
Rothamsted Experimental Station Report 1934-36. Brussels sprouts: effect of sulphate of ammonia, poultry manure, soot and rape dust, pp. 191-192. Harpenden: Lawes Agricultural Trust.
McCullagh, P. and Clifford, D., (2006). Evidence for conformal invariance of crop yields, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Science, 462, 2119--2143. https://doi.org/10.1098/rspa.2006.1667
# \dontrun{ library(agridat) data(rothamsted.brussels) dat <- rothamsted.brussels libs(lattice) bwplot(yield~trt, dat, main="rothamsted.brussels")libs(desplot) desplot(dat, yield~col*row, num=trt, out1=block, cex=1, # aspect unknown main="rothamsted.brussels")# }