RCB experiment of brussels sprouts, 9 fertilizer treatments
RCB experiment of brussels sprouts, 9 fertilizer treatments
A data frame with 48 observations on the following 5 variables.
rowrow
colcolumn
yieldyield of saleable sprouts, pounds
trttreatment, 9 levels
blockblock, 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
## Not run:
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")
## End(Not run)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.