lehmann.millet.uniformity.Rd
Uniformity trial of millet in India, 3 years on same land.
data("lehmann.millet.uniformity")
A data frame with 396 observations on the following 5 variables.
year
year
plot
plot (row)
range
range (column)
yield
grain yield (pounds)
total
total crop yield (pounds)
The 6th report has a map (only partially scanned in the pdf). The ninth report, pages 1-10 has comments. Pages 36-39 have data: Table 1 has grain yield, table 2 total yield.
Experiment farm near Bangalore. The plots are 1/10 acre, each 50 links wide and 200 links long. [6th report, p. 2]
The season of 1906 was abnormally wet compared with 1905 and 1907. [9th report]
Department of Agriculture, Mysore State. [2nd-9th] Annual Report of the Agricultural Chemist. https://books.google.com/books?id=u_dHAAAAYAAJ
None
# \dontrun{ library(agridat) data(lehmann.millet.uniformity) dat <- lehmann.millet.uniformity libs(desplot) dat$year = factor(dat$year) desplot(dat, yield ~ range*plot|year, aspect=(22*50)/(6*200), main="lehmann.millet.uniformity", flip=TRUE, tick=TRUE)desplot(dat, total ~ range*plot|year, aspect=(22*50)/(6*200), main="lehmann.millet.uniformity", flip=TRUE, tick=TRUE)# libs(dplyr) # group_by(dat, year) # }