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agricolae (version 1.2-6)

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

34,553

Version

1.2-6

License

GPL

Maintainer

Felipe Mendiburu

Last Published

August 5th, 2017

Functions in agricolae (1.2-6)

DAU.test

Finding the Variance Analysis of the Augmented block Design
DC

Data for the analysis of carolina genetic design
BIB.test

Finding the Variance Analysis of the Balanced Incomplete Block Design
CIC

Data for late blight of potatoes
Glycoalkaloids

Data Glycoalkaloids
HSD.test

Multiple comparisons: Tukey
AMMI

AMMI Analysis
AMMI.contour

AMMI contour
Chz2006

Data amendment Carhuaz 2006
ComasOxapampa

Data AUDPC Comas - Oxapampa
SNK.test

Student-Newman-Keuls (SNK)
waerden.test

Multiple comparisons. The van der Waerden (Normal Scores)
agricolae-package

Statistical Procedures for Agricultural Research
audpc

Calculating the absolute or relative value of the AUDPC
correlation

Correlation analysis. Methods of Pearson, Spearman, Kendall and Lin
LxT

Data Line by tester
PBIB.test

Analysis of the Partially Balanced Incomplete Block Design
consensus

consensus of clusters
Hco2006

Data amendment Huanuco 2006
LSD.test

Multiple comparisons, "Least significant difference" and Adjust P-values
bar.group

Plotting the multiple comparison of means
REGW.test

Ryan, Einot and Gabriel and Welsch multiple range test
RioChillon

Data and analysis Mother and baby trials
corn

Data of corn
correl

Correlation Coefficient
clay

Data of Ralstonia population in clay soil
design.crd

Completely Randomized Design
design.cyclic

Cyclic designs
duncan.test

Duncan's new multiple range test
durbin.test

Durbin test and multiple comparison of treatments
growth

Data growth of trees
haynes

Data of AUDPC for nonparametrical stability analysis
index.bio

Biodiversity Index
index.smith

Uniformity soil. Smith's Index of Soil Heterogeneity
audps

The Area Under the Disease Progress Stairs
bar.err

Plotting the standard error or standard deviance of a multiple comparison of means
design.alpha

Alpha design type (0,1)
design.bib

Randomized Balanced Incomplete Block Designs. BIB
cotton

Data of cotton
delete.na

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

Design of experiments for a factorial
diffograph

Plotting the multiple comparison of means
design.rcbd

Randomized Complete Block Design
design.split

Split Plot Design
friedman

Friedman test and multiple comparison of treatments
frijol

Data of frijol
kruskal

Kruskal Wallis test and multiple comparison of treatments.
kurtosis

Finding the Kurtosis coefficient
Median.test

Median test. Multiple comparisons
melon

Data of yield of melon in a Latin square experiment
montecarlo

Random generation by Montecarlo
natives

Data of native potato
path.analysis

Path Analysis
order.stat

Grouping the treatments averages in a comparison with a minimum value
orderPvalue

Grouping the treatments averages in a comparison with a minimum value
reg.homog

Homologation of regressions
resampling.cv

Resampling to find the optimal number of markers
carolina

North Carolina Designs I, II and III
cv.model

Coefficient of the experiment variation
cv.similarity

Coefficient of the similarity matrix variation
sp.plot

Splip-Plot analysis
ssp.plot

Split-split-Plot analysis
weatherSeverity

Weather and Severity
wilt

Data of Bacterial Wilt (AUDPC) and soil
disease

Data evaluation of the disease overtime
hcut

Cut tree of consensus
heterosis

Data of potato, Heterosis
hgroups

groups of hclust
plot.graph.freq

Histogram
resampling.model

Resampling for linear models
rice

Data of Grain yield of rice variety IR8
skewness

Finding the skewness coefficient
design.lattice

Lattice designs
design.lsd

Latin Square Design
grass

Data for Friedman test
greenhouse

Data in greenhouse
join.freq

Join class for histogram
huasahuasi

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

Line x Tester Analysis
markers

Data of molecular markers
ogive.freq

Plotting the ogive from a histogram
design.dau

Augmented block design
design.graeco

Graeco - latin square design
design.strip

Strip Plot Design
design.youden

Incomplete Latin Square Design
soil

Data of soil analysis for 13 localities
sweetpotato

Data of sweetpotato yield
table.freq

frequency Table of a Histogram
kendall

Correlation of Kendall
nonadditivity

Nonadditivity model test
normal.freq

Normal curve on the histogram
plot.AMMI

PLOT AMMI
plots

Data for an analysis in split-plot
scheffe.test

Multiple comparisons, scheffe
similarity

Matrix of similarity in binary data
order.group

Ordering the treatments according to the multiple comparison
plrv

Data clones from the PLRV population
polygon.freq

The polygon of frequency on the histogram
stability.nonpar

Nonparametric stability analysis
stability.par

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

Data of potato yield in a different environment
graph.freq

Histogram
index.AMMI

AMMI index and yield stability
intervals.freq

Class intervals
tapply.stat

Statistics of data grouped by factors
vark

Variance K, ties, Kendall
lastC

Setting the last character of a chain
lateblight

LATEBLIGHT - Simulator for potato late blight Version LB2004
pamCIP

Data Potato Wild
paracsho

Data of Paracsho biodiversity
potato

Data of cutting
ralstonia

Data of assessment of the population in the soil R.solanacearum
stat.freq

Descriptive measures of grouped data
strip.plot

Strip-Plot analysis
sturges.freq

Class intervals for a histogram, the rule of Sturges
summary.graph.freq

frequency Table of a Histogram
yacon

Data Yacon
simulation.model

Simulation of the linear model under normality
sinRepAmmi

Data for AMMI without repetition
waller

Computations of Bayesian t-values for multiple comparisons
waller.test

Multiple comparisons, Waller-Duncan
zigzag

order plot in serpentine