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agricolae (version 1.3-6)

Statistical Procedures for Agricultural Research

Description

Original idea was presented in the thesis "A statistical analysis tool for agricultural research" to obtain the degree of Master on science, National Engineering University (UNI), Lima-Peru. Some experimental data for the examples come from the CIP and others research. Agricolae offers extensive functionality on experimental design especially for agricultural and plant breeding experiments, which can also be useful for other purposes. It supports planning of lattice, Alpha, Cyclic, Complete Block, Latin Square, Graeco-Latin Squares, augmented block, factorial, split and strip plot designs. There are also various analysis facilities for experimental data, e.g. treatment comparison procedures and several non-parametric tests comparison, biodiversity indexes and consensus cluster.

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Version

Install

install.packages('agricolae')

Monthly Downloads

21,528

Version

1.3-6

License

GPL

Maintainer

Felipe Mendiburu

Last Published

June 30th, 2023

Functions in agricolae (1.3-6)

agricolae-package

Statistical Procedures for Agricultural Research
RioChillon

Data and analysis Mother and baby trials
waerden.test

Multiple comparisons. The van der Waerden (Normal Scores)
REGW.test

Ryan, Einot and Gabriel and Welsch multiple range test
SNK.test

Student-Newman-Keuls (SNK)
Hco2006

Data amendment Huanuco 2006
LSD.test

Multiple comparisons, "Least significant difference" and Adjust P-values
audpc

Calculating the absolute or relative value of the AUDPC
PBIB.test

Analysis of the Partially Balanced Incomplete Block Design
LxT

Data Line by tester
clay

Data of Ralstonia population in clay soil
audps

The Area Under the Disease Progress Stairs
corn

Data of corn
design.dau

Augmented block design
consensus

consensus of clusters
cotton

Data of cotton
correlation

Correlation analysis. Methods of Pearson, Spearman, Kendall and Lin
bar.group

Plotting the multiple comparison of means
design.cyclic

Cyclic designs
correl

Correlation Coefficient
design.crd

Completely Randomized Design
bar.err

Plotting the standard error or standard deviance of a multiple comparison of means
carolina

North Carolina Designs I, II and III
cv.model

Coefficient of the experiment variation
delete.na

Omitting the rows or columns with missing observations of a matrix (NA)
design.ab

Design of experiments for a factorial
cv.similarity

Coefficient of the similarity matrix variation
design.alpha

Alpha design type (0,1)
design.rcbd

Randomized Complete Block Design
design.split

Split Plot Design
design.bib

Randomized Balanced Incomplete Block Designs. BIB
growth

Data growth of trees
frijol

Data of frijol
design.lattice

Lattice designs
design.lsd

Latin Square Design
greenhouse

Data in greenhouse
design.graeco

Graeco - latin square design
hcut

Cut tree of consensus
design.strip

Strip Plot Design
haynes

Data of AUDPC for nonparametrical stability analysis
design.youden

Incomplete Latin Square Design
disease

Data evaluation of the disease overtime
hgroups

groups of hclust
inter.freq

Class intervals
join.freq

Join class for histogram
duncan.test

Duncan's new multiple range test
heterosis

Data of potato, Heterosis
graph.freq

Histogram
markers

Data of molecular markers
design.mat

Experimental design matrix
grass

Data for Friedman test
kendall

Correlation of Kendall
genxenv

Data of potato yield in a different environment
friedman

Friedman test and multiple comparison of treatments
durbin.test

Durbin test and multiple comparison of treatments
diffograph

Plotting the multiple comparison of means
Median.test

Median test. Multiple comparisons
path.analysis

Path Analysis
kruskal

Kruskal Wallis test and multiple comparison of treatments.
plot.graph.freq

Histogram
polygon.freq

The polygon of frequency on the histogram
paracsho

Data of Paracsho biodiversity
pamCIP

Data Potato Wild
potato

Data of cutting
order.group

Ordering the treatments according to the multiple comparison
lineXtester

Line x Tester Analysis
orderPvalue

Grouping the treatments averages in a comparison with a minimum value
plot.group

Plotting the multiple comparison of means
nonadditivity

Nonadditivity model test
resampling.cv

Resampling to find the optimal number of markers
plot.AMMI

PLOT AMMI
natives

Data of native potato
lateblight

LATEBLIGHT - Simulator for potato late blight Version LB2004
sinRepAmmi

Data for AMMI without repetition
index.AMMI

AMMI index and yield stability
resampling.model

Resampling for linear models
scheffe.test

Multiple comparisons, scheffe
rice

Data of Grain yield of rice variety IR8
index.smith

Uniformity soil. Smith's Index of Soil Heterogeneity
soil

Data of soil analysis for 13 localities
skewness

Finding the skewness coefficient
strip.plot

Strip-Plot analysis
sp.plot

Splip-Plot analysis
sturges.freq

Class intervals for a histogram, the rule of Sturges
melon

Data of yield of melon in a Latin square experiment
stability.par

Stability analysis. SHUKLA'S STABILITY VARIANCE AND KANG'S
vark

Variance K, ties, Kendall
stat.freq

Descriptive measures of grouped data
lastC

Setting the last character of a chain
kurtosis

Finding the Kurtosis coefficient
reg.homog

Homologation of regressions
zigzag

order plot in serpentine
index.bio

Biodiversity Index
ralstonia

Data of assessment of the population in the soil R.solanacearum
huasahuasi

Data: Rainfall thresholds as support for timing fungicide applications in the control of potato late blight in Peru
waller.test

Multiple comparisons, Waller-Duncan
plots

Data for an analysis in split-plot
montecarlo

Random generation by Montecarlo
waller

Computations of Bayesian t-values for multiple comparisons
weatherSeverity

Weather and Severity
ogive.freq

Plotting the ogive from a histogram
normal.freq

Normal curve on the histogram
plrv

Data clones from the PLRV population
stability.nonpar

Nonparametric stability analysis
ssp.plot

Split-split-Plot analysis
similarity

Matrix of similarity in binary data
summary.graph.freq

frequency Table of a Histogram
simulation.model

Simulation of the linear model under normality
tapply.stat

Statistics of data grouped by factors
table.freq

frequency Table of a Histogram
sweetpotato

Data of sweetpotato yield
yacon

Data Yacon
wilt

Data of Bacterial Wilt (AUDPC) and soil
DAU.test

Finding the Variance Analysis of the Augmented block Design
DC

Data for the analysis of carolina genetic design
AMMI

AMMI Analysis
BIB.test

Finding the Variance Analysis of the Balanced Incomplete Block Design
Glycoalkaloids

Data Glycoalkaloids
AMMI.contour

AMMI contour
CIC

Data for late blight of potatoes
HSD.test

Multiple comparisons: Tukey
ComasOxapampa

Data AUDPC Comas - Oxapampa
Chz2006

Data amendment Carhuaz 2006