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agridat 1.26 (2025-11-14)

New datasets

kirk.potato.uniformity
wehner.cucumber.uniformity

agridat 1.25 (2025-10-06)

New datasets

beckett.maize.uniformity
gorski.oats.uniformity
kotowski.potato.uniformity
larsen.timothy.uniformity
lehmann.rice.uniformity
love.sugarcane.uniformity
oliveira.lupin.uniformity
oliveira.potato.uniformity
rau.coffee.uniformity
usda.gmoadoption

Other notes

Renamed arankacami.groundnut.uniformity to rangaswamy.groundnut.uniformity .

agridat 1.24 (2024-10-25)

New datasets

haritonenko.sugarbeet.uniformity
jegorow.oats.uniformity
jurowski.wheat.uniformity
roemer.sugarbeet.uniformity
siao.cotton.uniformity
tulaikow.wheat.uniformity

Other notes

baker.strawberry.uniformity: inserted 3 columns into the layout of the field to more closely align with the experiment layout.
garber.multi.uniformity: The data has been reshaped from wide to tall and additional years added.
minnesota.barley.yield: Added 10+ more years of data.
odland.soyhay.uniformity: Yields have been divided by 10 so that the yield values are now in units of “tons” instead of “0.1 tons”.
shafi.tomato.uniformity: Had incorrect yield scale, now divided by 1000.
Documentation pages now created via Github Actions. (Issue #12). Thanks to E.Tanaka.

agridat 1.23 (2024-01-30)

New datasets

Other notes

Removed suggested use of sf/terra packages in examples.
Add if(require("asreml", quietly=TRUE)) to example sections. This way we can allow people (or GitHub Actions) to force run the dontrun sections, even if asreml is not installed.
cochran.eelworms - Fix a typo reported by U.Genschel, and added more columns for grain yield, straw yield, weeds. Updates to documentation.
gartner.corn - Remove ‘rgdal’ package from example (Issue #11).

agridat 1.22 (2023-08-24)

New datasets

bailey.cotton.uniformity
belamkar.augmented (augmented design at multiple locations)
chakravertti.factorial (3 block, 3x5x3x3 factorial is a large factorial experiment)
coombs.rice.uniformity
evans.sugarcane.uniformity (Data from Rothamsted archive)
forster.wheat.uniformity
goulden.barley.uniformity (expanded from the previously published 20x20 to 48x48)
hansen.multi.uniformity (multi-year uniformity trials)
heath.cabbage.uniformity
hutchinson.cotton.uniformity (Data from Rothamsted archive)
immer.sugarbeet.uniformity (add year 1931 results from Rothamsted archive)
khan.brassica.uniformity
kirk.potato (20 varieties with 15 reps)
mckinstry.cotton.uniformity (Data from Rothamsted archive)
payne.wheat (long term rotation experiment)
riddle.wheat (Modified Latin Square, “significant” variety switches high/low)
saunders.maize.uniformity (Data from Rothamsted archive)
smith.wheat.uniformity (classic data for measuring field heterogeneity)
summerby.multi.uniformity
tesfaye.millet (GxE dataset with multiple reps, xy coordinates)
vishnaadevi.rice.uniformity

Other notes

Changed the package to MIT license.
Modified factorial-experiment datasets to separate the treatment factors into individual treatment factors.
Add docType{package} fix for CRAN.
Removed ‘donttest’ for some examples.

agridat 1.21 (2022-06-15)

New datasets

bachmaier.quadratic (confidence intervals for optimum of quadratic)
ducker.groundnut.uniformity
kling.augmented (augmented design)
sharma.met (Finlay-Wilkinson regression)

agridat 1.20 (2021-12-20)

New datasets

arankacami.groundnut.uniformity (later changed to rangaswamy.groundnut.uniformity)
barrero.maize
buntaran.wheat
gomez.heterogeneity
grover.diallel
grover.rcb.subsample
hadasch.lettuce
hadasch.lettuce.markers
jones.corn.uniformity
petersen.sorghum.cowpea
woodman.pig

Other notes

Re-named mead.cowpeamaize to mead.cowpea.maize.
Re-named correa.soybean.uniformity to dasilva.soybean.uniformity.
There are more than 200 URLs in the vignettes and these were slow to check and generated too many false warnings. Stopped the Rmd to html conversion from creating URL links via an option in the Rmd YAML.

agridat 1.18 (2021-01-12)

New datasets

damesa.maize
jayaraman.bamboo
nair.turmeric.uniformity
shafi.tomato.uniformity

agridat 1.17 (2020-08-03)

New datasets

alwan.lamb
baker.strawberry.uniformity
besag.checks
bryan.corn.uniformity
davidian.soybean
devries.pine
edwards.oats
george.wheat
hartman.tomato.uniformity
heath.radish.uniformity
johnson.douglasfir
kayad.alfalfa
kerr.sugarcane.uniformity
laycock.tea.uniformity
lehmann.millet.uniformity
linder.wheat
loesell.bean.uniformity
miguez.biomass
obsi.potato.uniformity
paez.coffee.uniformity
pederson.lettuce.repeated
piepho.barley.uniformity
rothamsted.oats
shaw.oats
wyatt.multi.uniformity

Other notes

Examples now use asreml version 4.
Re-named hutchinson.cotton.uniformity to panse.cotton.uniformity.
Added INLA example to crowder.seeds.
Wrapped most example sections with dontrun.
New function libs()
which is basically the same as pacman::p_load()
but without the dependency on pacman.
Example sections now use library(agridat) and then libs() to load all other packages on the fly if needed.
Website built with pkgdown.

agridat 1.16 (2018-07-06)

Minor release to make a small change for the next release of the broom package.

agridat 1.15 (2018-06-28)

New datasets

ansari.wheat.uniformity
baker.wheat.uniformity
bancroft.peanut.uniformity
bose.multi.uniformity
christidis.cotton.uniformity
dasilva.maize
dasilva.soybean.uniformity
davies.pasture.uniformity
eden.tea.uniformity
hutchinson.cotton.uniformity
igue.sugarcane.uniformity
kulkarni.sorghum.uniformity
lander.multi.uniformity
lord.rice.uniformity
magistad.pineapple.uniformity
mead.turnip
nagai.strawberry.uniformity
narain.sorghum.uniformity
robinson.peanut.uniformity
sayer.sugarcane.uniformity
strickland.apple.uniformity
strickland.grape.uniformity
strickland.peach.uniformity
strickland.tomato.uniformity

Other notes

nonnecke.corn.uniformity is renamed nonnecke.sweetcorn.uniformity
moore.carrots.uniformity is renamed moore.carrot.uniformity
Switch from lsmeans to emmeans in examples.

agridat 1.13 (2017-11-30)

New datasets for uniformity trials

bradley.multi.uniformity
christidis.wheat.uniformity
day.wheat.uniformity
draper.safflower.uniformity
holtsmark.timothy.uniformity
iyer.wheat.uniformity
kadam.millet.uniformity
kalamkar.wheat.uniformity
khin.rice.uniformity
kiesselbach.oats.uniformity
kristensen.barley.uniformity
lessman.sorghum.uniformity
love.cotton.uniformity
masood.rice.uniformity
mcclelland.corn.uniformity
montgomery.wheat.uniformity
moore.polebean.uniformity
moore.bushbean.uniformity
moore.sweetcorn.uniformity
moore.carrot.uniformity
moore.springcauliflower.uniformity
moore.fallcauliflower.uniformity
nonnecke.corn.uniformity
nonnecke.peas.uniformity
parker.orange.uniformity
polson.safflower.uniformity
sawyer.multi.uniformity
smith.beans.uniformity
stickler.sorghum.uniformity
wiedemann.safflower.uniformity

New datasets for stability

fisher.barley
lu.stability
tai.potato

New datasets

Other notes

The following data objects have been changed from lists of 2 matrices into tidy dataframes: aastveit.barley, box.cork, ortiz.tomato, talbot.potato, vargas.txe, vargas.wheat1, vargas.wheat2
devtools::run_examples() now works even without suggested packages installed.
Changed extensions in inst/files from .bug to .jag .
Changed all hyperlinks to plain text (for faster checking, avoids re-direct errors).
Replaced use of gam package in examples, in favor of mgcv package.
Added package logo on github.

agridat 1.12 (2015-06-29)

New datasets

cochran.beets
cochran.lattice
jansen.apple
jansen.carrot

agridat 1.11 (2015-03-03)

New datasets

besag.beans
besag.triticale
burgeuno.alpha
burgueno.rowcol
burgueno.unreplicated
steptoe.morex.pheno

Other

Removed asreml package from Suggests (due to CRAN check problems).

agridat 1.10 (2014-11-26)

New datasets

beaven.barley
perry.springwheat
ridout.appleshoots

Other

Move packages from Depends to Imports.

agridat 1.9 (2014-07-02)

New datasets

Other

Use if(require(lme4)) in examples. Request by Brian Ripley.
Almost all data now have an example graphic.

agridat 1.8 (2013-09-23)

New datasets

brandle.rape
salmon.bunt

agridat 1.7 (2013-09-06)

New datasets

baker.barley.uniformity
bliss.borers
bond.diallel
harris.wateruse
hayman.tobacco
holshouser.splitstrip
pearce.apple
waynick.soil

agridat 1.6 (2013-06-04)

New datasets

crossa.wheat
garber.multi.uniformity
gomez.nitrogen
harris.multi.uniformity
hughes.grapes
li.millet.uniformity
odland.soybean.uniformity
odland.soyhay.uniformity
ratkowsky.onions
stephens.sorghum.uniformity

agridat 1.5 (2013-04-26)

New datasets

agridat 1.4 (2012-03-14)

New datasets

archbold.apple
blackman.wheat
cochran.crd
cochran.latin
darwin.maize
denis.ryegrass
digby.jointregression
engelstad.nitro
federer.diagcheck
gilmour.slatehall
john.alpha
ilra.sheep
kempton.slatehall
ryder.groundnut
vsn.lupin3

agridat 1.3 (2011-10-20)

New datasets

bridges.cucumber
cox.stripsplit
diggle.cow
eden.potato
gauch.soy
graybill.heteroskedastic
hildebrand.systems
hanks.sprinkler
mcconway.turnip
pearl.kernels
williams.barley.uniformity
williams.cotton.uniformity

agridat 1.2 (2011-06-30)

New datasets

aastveit.barley
gathmann.bt
kempton.competition
wedderburn.barley

agridat 1.0 (2011-04-27)

First release to CRAN

New datasets

agridat 0.0 (2010-10-01)

Development begins

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