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agridat (version 1.5)

Agricultural datasets

Description

Datasets from books and papers related to agriculture. Example analyses included.

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Version

Install

install.packages('agridat')

Monthly Downloads

4,534

Version

1.5

License

GPL-2

Maintainer

Kevin Wright

Last Published

April 26th, 2013

Functions in agridat (1.5)

bond.diallel

Diallel cross of winter beans

diggle.cow

Bodyweight of cows in a 2-by-2 factorial experiment

besag.bayesian

Spring barley in United Kingdom

blackman.wheat

Yield for conventional and semi-dwarf wheat varieties

corsten.interaction

Corn yield in multi-environment trial

federer.tobacco

Height of Tobacco plants exposed to radiation

broadbalk.wheat

Long term wheat yields on Broadbalk fields at Rothamsted.

gomez.fractionalfactorial

Rice fractional factorial experiment

aastveit.barley

Barley heights and environmental covariates in Norway

ars.earlywhitecorn96

Early White Food Corn Performance Tests

crowder.seeds

Germination of Orobanche seeds from Crowder (1978)

cochran.latin

Latin square design

ryder.groundnut

Wet and dry groundnut yields

jenkyn.mildew

Yields from treatment for mildew control

carmer.density

Maize yield-density model

durban.competition

Sugar beet yields with competition effects

cleveland.soil

Soil resistivity in a field

hessling.argentina

Relation between wheat yield and weather in Argentina

kempton.slatehall

Slate Hall Farm 1976 spring wheat

hernandez.nitrogen

Corn response to nitrogen fertilizer at 5 sites.

verbyla.lupin

Lupin yields for different varieties and locations, at many densities

senshu.rice

Response of rice to solar radiation and temperature

durban.splitplot

Split-plot barley variety trial with fungicide treatments

cochran.crd

Potato scab infection with sulfur treatments

gomez.splitsplit

Rice split-split plot experiment

cox.stripsplit

Strip-split plot of barley with fertilizer, calcium, and soil factors.

desplot

Plot the layout/data of a field experiment

yates.oats

Yield of oats in a split-block experiment

lavoranti.eucalyptus

Height of Eucalyptus trees in southern Brazil

lyons.wheat

Yield of winter wheat at 12 sites in 4 years.

kempton.competition

Sugar beet trial with competition effects

mead.cowpeamaize

Maize/Cowpea Intercropping experiment

cochran.bib

Balanced incomplete block design in corn

RedGrayBlue

Function to create a Red-Gray-Blue palette

snedecor.asparagus

Asparagus yields for different cutting treatments

caribbean.maize

Maize fertilization trial on Antigua and St. Vincent

gomez.groupsplit

Rice group balanced split-plot design

talbot.potato

Potato yields and trait scores at 12 UK locations

vargas.wheat1

Durum wheat yields in 7 years with genetic and environment covariates

nebraska.farmincome

Nebraska farm income in 2007 by county

durban.rowcol

Row column design of a spring barley trial with many varieties

nass.corn

U.S. historical crop yields by state

minnesota.barley.weather

Monthly weather at 6 sites in Minnesota 1927-1936.

smith.uniformity3

Uniformity trial in three consecutive years

cate.potassium

Relative cotton yield for different soil potassium concentrations

yates.missing

Factorial experiment with missing values

gilmour.slatehall

Slate Hall Farm 1978

hughes.grapes

Disease incidence on grape leaves in RCB experiment

gomez.seedrate

Rice yield at six different densities

gomez.stripplot

Rice strip-plot experiment

gotway.hessianfly

Hessian fly damage to wheat varities

steel.soybeanmet

Soybean yields in North Carolina

hanks.sprinkler

Wheat yields in a line-source sprinkler experiment

ilri.sheep

Birth weight and weaning weight of Dorper x Red Maasi lambs

gauch.soy

New York soybean yields, 1977 to 1988

kempton.rowcol

Wheat row-column experiment

mead.strawberry

Strawberry yields in RCB experiment

lyon.potato

Uniformity trial of potatoes

pearl.kernels

Counts of yellow/white and sweet/starchy maize kernels by 15 observers

streibig.competition

Competition experiment between barley and sinapis.

ortiz.tomato

Tomato weight/yield and environmental covariates in Latin America

minnesota.barley.yield

Yields of barley at 6 sites in Minnesota 1927-1936.

vargas.wheat2

Wheat yields for a multi-environment trial and environmental covariates

williams.trees

Height / Survival of 37 tree species at six sites in Thailand

archbold.apple

Split-split plot experiment on apple trees

kempton.uniformity

Uniformity trial of Spring Barley in 1978

agridat

Datasets from agricultural experiments

besag.met

Multi-environment trial of corn laid out in incomplete-blocks

box.cork

Weight of cork samples on four sides of trees

batchelor

Fruit tree yields from Batchelor (1918)

fan.stability

Maize hybrids grown in China

gomez.stripsplitplot

Rice strip-split-plot experiment

eden.potato

Potato yields in response to potash and nitrogen fertilizer

panel.outlinelevelplot

Panel Function for desplot

stroup.splitplot

Simulated split-plot experiment

stroup.nin

Nebraska Intrastate Nursery field experiment

wedderburn.barley

Percent of barley leaves affected by leaf blotch

student.barley

Barley yield of two varieties in a multi-environment trial

besag.elbatan

RCB experiment of 50 varieties of wheat in 3 blocks with strong spatial trend.

vsn.lupin3

Early generation lupin trial with 3 sites

cochran.eelworms

Counts of eelworms before and after fumigant treatments

mcconway.turnip

Yields of turnips grown for winter fodder

denis.missing

Multi-environment trial with structured missing values

john.alpha

Alpha lattice design of spring oats

gathmann.bt

Impact of Bt Corn on non-target species

gomez.multilocsplitplot

Rice multilocation Split-Plot

yan.winterwheat

Multi-environment trial of Winter Wheat in Ontario

wiebe.wheat

Uniformity trial of wheat

pacheco.soybean

Soybean yields in Brazil.

shafii.rapeseed

Rapeseed yield multi-environment trial, 3 years

williams.cotton

Lint yield from a cotton uniformity trial

mead.germination

Seed germination with different temperatures/concentrations

allcroft.lodging

Lodging data from a multi-environment trial cereal crop

gilmour.serpentine

Wheat yield in South Australia with serpentine row/col effects

gomez.uniformity

Rice uniformity yield test

graybill.heteroskedastic

Wheat varieties with heteroskedastic yields

ivins.herbs

Percent ground cover of herbage species and nettles.

lambert.soiltemp

Average monthly soil temperature near Zurich

rothamsted.brussels

Yield of brussels sprouts, RCB with 9 fertilizer treatments

mercer.wheat

Mercer and Hall's uniformity trial of wheat in 1910

theobald.covariate

Silage yields for Year * Loc * Variety with covariate

thompson.cornsoy

Corn & Soybean Yields, 1930-1962, with temperature and preciptiation

adugna.sorghum

Sorghum yields at 3 locations across 5 years

byers.apple

Diameters of apples

cochran.wireworms

Wireworms controlled by fumigants in a latin square

digby.jointregression

Multi-environment trial illustrating joint regression

denis.ryegrass

Plant strength of perennial ryegrass in France

engelstad.nitro

Corn yield response to nitrogen fertilizer

immer.sugarbeet

Uniformity study of sugarbeets with measurements of yield, sugar, purity

zuidhof.broiler

Daily weight, feed, egg measurements for a broiler

williams.barley

Yield from a barley uniformity trial

australia.soybean

Australia soybeans

federer.diagcheck

Wheat experiment with diagonal checks

hildebrand.systems

Maize yields for four cropping systems

johnson.blight

Potato blight due to weather in Prosser, Washington

bridges.cucumber

Cucumber yields in Latin Square design.

darwin.maize

Darwin's maize data of crossed/inbred plant heights

henderson.milkfat

Milk fat yields for a single cow

goulden.barley

Barley uniformity trial