Agricultural datasets


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Documentation for package ‘agridat’ version 1.4

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aastveit.barley Barley heights and environmental covariates in Norway
agridat Datasets from agricultural experiments
allcroft.lodging Lodging data from a multi-environment trial cereal crop
archbold.apple Split-split plot experiment on apple trees
australia.soybean Australia soybeans
batchelor.apple Fruit tree yields from Batchelor (1918)
batchelor.lemon Fruit tree yields from Batchelor (1918)
batchelor.navel1 Fruit tree yields from Batchelor (1918)
batchelor.navel2 Fruit tree yields from Batchelor (1918)
batchelor.valencia Fruit tree yields from Batchelor (1918)
batchelor.walnut Fruit tree yields from Batchelor (1918)
besag.elbatan RCB experiment of 50 varieties of wheat in 3 blocks with strong spatial trend.
besag.met Multi-environment trial of corn laid out in incomplete-blocks
blackman.wheat Yield for conventional and semi-dwarf wheat varieties
bridges.cucumber Cucumber yields in Latin Square design.
cochran.bib Balanced incomplete block design in corn
cochran.crd Potato scab infection with sulfur treatments
cochran.latin Latin square design
corsten.interaction Corn yield in multi-environment trial
cox.stripsplit Strip-split plot of barley with fertilizer, calcium, and soil factors.
crowder.germination Germination of Orobanche seeds from Crowder (1978)
darwin.maize Darwin's maize data of crossed/inbred plant heights
denis.missing Multi-environment trial with structured missing values
denis.ryegrass Plant strength of perennial ryegrass in France
desplot Plot the layout/data of a field experiment
digby.jointregression Multi-environment trial illustrating joint regression
diggle.cow Bodyweight of cows in a 2-by-2 factorial experiment
durban.competition Sugar beet yields with competition effects
durban.rowcol Row column design of a spring barley trial with many varieties
durban.splitplot Split-plot barley variety trial with fungicide treatments
eden.potato Potato yields in response to potash and nitrogen fertilizer
engelstad.nitro Corn yield response to nitrogen fertilizer
federer.diagcheck Wheat experiment with diagonal checks
federer.tobacco Height of Tobacco plants exposed to radiation
gathmann.bt Impact of Bt Corn on non-target species
gauch.soy New York soybean yields, 1977 to 1988
gilmour.serpentine Wheat yield in South Australia with serpentine row/col effects
gilmour.slatehall Slate Hall Farm 1978
gomez.fractionalfactorial Rice fractional factorial experiment
gomez.groupsplit Rice group balanced split-plot design
gomez.multilocsplitplot Rice multilocation Split-Plot
gomez.splitsplit Rice split-split plot experiment
gomez.stripplot Rice strip-plot experiment
gomez.stripsplitplot Rice strip-split-plot experiment
gomez.uniformity Rice uniformity yield test
graybill.heteroskedastic Wheat varieties with heteroskedastic yields
hanks.sprinkler Wheat yields in a line-source sprinkler experiment
hildebrand.systems Maize yields for four cropping systems
hughes.grapes Disease incidence on grape leaves in RCB experiment
ilri.sheep Birth weight and weaning weight of Dorper x Red Maasi lambs
john.alpha Alpha lattice design of spring oats
kempton.competition Sugar beet trial with competition effects
kempton.rowcol Wheat row-column experiment
kempton.slatehall Slate Hall Farm 1976 spring wheat
kempton.uniformity Uniformity trial of Spring Barley in 1978
mcconway.turnip Yields of turnips grown for winter fodder
mead.strawberry Strawberry yields in RCB experiment
mercer.wheat Uniformity trial of wheat in 1910
panel.outlinelevelplot Panel Function for desplot
pearl.kernels Counts of yellow/white and sweet/starchy maize kernels by 15 observers
RedGrayBlue Function to create a Red-Gray-Blue palette
rothamsted.brussels Yield of brussels sprouts, RCB with 9 fertilizer treatments
ryder.groundnut Wet and dry groundnut yields
shafii.rapeseed Rapeseed yield multi-environment trial, 3 years
smith.uniformity3 Uniformity trial in three consecutive years
steel.soybeanmet Soybean yields in North Carolina
stroup.nin Nebraska Intrastate Nursery field experiment
stroup.splitplot Simulated split-plot experiment
student.barley Barley yield of two varieties in a multi-environment trial
talbot.potato Potato yields and trait scores at 12 UK locations
theobald.covariate Silage yields for Year * Loc * Variety with covariate
thompson.cornsoy Corn & Soybean Yields, 1930-1962, with temperature and preciptiation
vargas.wheat1 Durum wheat yields in 7 years with genetic and environment covariates
vargas.wheat2 Wheat yields for a multi-environment trial and environmental covariates
verbyla.lupin Lupin yields for different varieties and locations, at many densities
vsn.lupin3 Early generation lupin trial with 3 sites
wedderburn.barley Percent of barley leaves affected by leaf blotch
wiebe.wheat Uniformity trial of wheat
williams.barley Yield from a barley uniformity trial
williams.cotton Lint yield from a cotton uniformity trial
williams.trees Height / Survival of 37 tree species at six sites in Thailand
yan.winterwheat Multi-environment trial of Winter Wheat in Ontario
yates.missing Factorial experiment with missing values
yates.oats Yield of oats in a split-block experiment