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agricolae (version 1.0-1)

Statistical Procedures for Agricultural Research

Description

These functions are currently utilized by the International Potato Center Research (CIP), the Statistics and Informatics Instructors and the Students of the Universidad Nacional Agraria La Molina Peru, and the Specialized Master in "Bosques y Gesti�n de Recursos Forestales" (Forest Resource Management). This package contains functionality for the statistical analysis of experimental designs applied specially for field experiments in agriculture and plant breeding. Planning of field experiments: Lattice, factorial, RCBD, CRD, Latin Square, Greaco, BIB, Alpha design. Comparison of multi-location trials: AMMI (biplot and triplot), Stability. Comparison between treatments: LSD, HSD, Waller, Kruskal, Friedman, Durbin, Van Der Waerden. Resampling and simulation: resampling.model, simulation.model, Ecology: Indices Biodiversity, path analysis, Uniformity Soil: Index Smith's.

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Version

Install

install.packages('agricolae')

Monthly Downloads

32,502

Version

1.0-1

License

This software may be re-distributed freely and used for any non-commercial purpose under the GPL license.

Maintainer

Felipe Mendiburu

Last Published

October 22nd, 2023

Functions in agricolae (1.0-1)

haynes

Data of yield for nonparametrical stability analysis
HSD.test

Multiple comparisons: Tukey
gxyz

The matrix zz of information is disturbed in three vectors x, y, z
cv.model

Coefficient of the experiment variation
dimnames.order

Order in rownames and colnames
kendall

Correlation of Kendall
bar.group

Plotting the multiple comparison of means
CIC

Data for AMMI Analysis
disease

Data evaluation of the disease overtime
table.freq

Frequency Table of a Histogram
cotton

Data of cotton
grid3p

Interpolation for nonequidistant points in matrix
coeff.diana

Selection of the best method for the dissimilarity distance calculation
intervals.freq

Class intervals
path.analysis

Path Analysis
audpc

Calculating the absolute or relative value of the AUDPC
wild

Data of Bacterial wild (AUDPC) and soil
LSD.test

Multiple comparisons, "Least significant difference"
durbin.test

Durbin test and multiple comparison of treatments
carolina3

Data Carolina III
decimals

Finding the largest decimal number from the elements of a vector or matrix
correl

Correlation Coefficient
design.crd

Completely Randomized Design
stat.freq

Descriptive measures of grouped data
AMMI

AMMI Analysis
trees

Data of species trees. Pucallpa
agricolae-package

Statistical Procedures for Agricultural Research
ltrv

Data clones from the LTVR population
graph.freq

Frequency table histogram
polygon.freq

The polygon of frequency on the histogram
design.bib

Randomized Balanced Incomplete Block Designs. BIB
design.graeco

Graeco - latin square design
order.stat

Grouping the treatments averages in a comparison with a minimum value
lattice.simple

Lattice design
stable

Data for stability analysis
corn

Data of corn
bar.err

Plotting the standard error or standard deviance of a multiple comparison of means
homog1

Data of fr�jol
friedman

Friedman test and multiple comparison of treatments
paracsho

Paracsho data biodiversity
kurtosis

Finding the Kurtosis coefficient
plot.disc

Discontinuous plotting
ojiva.freq

Plotting the ojiva from a histogram
rice

Grain yield data of rice variety IR8
waller.test

Multiple comparisons, Waller-Duncan
soil

Data of soil analysis for 13 localities
carolina

North Carolina Designs I, II y III
carolina2

Data Carolina II
cv.similarity

Coefficient of the similarity matrix variation
design.alpha

Alpha design type (0,1)
design.lsd

Latin Square Design
ComasOxapampa

Data AUDPC Comas - Oxapampa
resampling.model

Resampling for linear models
stability.par

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

Data of potato yield in a different environment
AMMI.contour

AMMI contour
vark

Variance K, ties, Kendall
clay

Data of Ralstonia population in clay soil
mxyz

Mean on data frame in matrix
nonadditivity

Nonadditivity model test
LxT

Data Line by tester
BIB.test

Finding the Variance Analysis of the Balanced Incomplete Block Design
grass

Data for Friedman test
sturges.freq

Class intervals for a histogram, the rule of Sturges
random.ab

Randomizing a factorial in a block
design.ab

Design in blocks for factorial pxq
design.rcbd

Randomized Complete Block Design
sinRepAmmi

Data for AMMI without repetition
markers

Data of molecular markers
waerden.test

Multiple comparisons. The van der Waerden (Normal Scores)
waller

Computations of Bayesian t-values for multiple comparisons
potato

Data of cutting
stability.nonpar

Nonparametric stability analysis
join.freq

Join class for histogram
melon

Yield data of melon in a Latin square experiment
skewness

Finding the skewness coefficient
huasahuasi

Data of yield in Huasahuasi
order.group

Ordering the treatments according to the multiple comparison
similarity

Matrix of similarity in binary data
last.c

Setting the last character of a chain
carolina1

Data Carolina I
natives

Data of native potato
index.bio

Biodiversity Indices
strip.plot

Strip-Plot analysis
delete.na

Omitting the rows or columns with missing observations of a matrix (NA)
ralstonia

Data of population bacterial wild: AUDPC
precipitation

Data of precipitation
correlation

Correlation analysis. Methods of Pearson, Spearman and Kendall
lineXtester

Line x Tester Analysis
normal.freq

Normal curve on the histogram
simulation.model

Simulation of the linear model under normality
sweetpotato

Data of sweetpotato yield
resampling.cv

Resampling to find the optimal number of markers
plots

Data for an analysis in split-plot
fact.nk

Factorial design k-factors with n-levels in blocks
reg.homog

Homologation of regressions
Glycoalkaloids

Data Glycoalkaloids
tapply.stat

Statistics of data grouped by factors
wxyz

Completing missing data of a matrix according to a model
growth

Data growth of trees
kruskal

Kruskal Wallis test and multiple comparison of treatments.
index.smith

Uniformity soil. Smith's Index of Soil Heterogeneity
plrv

Data clones from the PLRV population
RioChillon

Data and analysis Mother and baby trials
pamCIP

Data Potato Wild
Hco2006

Data amendment Huanuco 2006
consensus

consensus of clusters
hcut

Cut tree of consensus
audpc.abs

Calculates the absolute AUDPC of a table
hgroups

groups of hclust
Chz2006

Data amendment Carhuaz 2006
yacon

Data Yacon
lastC

Setting the last character of a chain
heterosis

Data of potato, Heterosis
wilt

Data of Bacterial Wilt (AUDPC) and soil
design.lattice

Lattice designs
PBIB.test

Analysis of the Partially Balanced Incomplete Block Design
frijol

Data of frijol
montecarlo

Random generation by Montecarlo
design.strip

Strip Plot Design
greenhouse

Data in greenhouse
design.split

Split Plot Design
design.cyclic

Cyclic designs
DC

Data for the analysis of carolina genetic design
DAU.test

Finding the Variance Analysis of the Augmented block Design
design.dau

Augmented block design
plot.graph.freq

Histogram
HSD

Multiple comparisons: Tukey
LSD.group

Multiple comparisons, group: "Least significant difference"
durbin.comp

Test of Durbin and multiple comparison of treatments
HSD.group

Multiple comparisons, group: Tukey
waerden.group

Multiple comparisons, group: The van der Waerden (Normal Scores)
c.skewness

Computes the coefficient of skewness
summary.graph.freq

Frequency Table of a Histogram
audpc.rel

Calculates the relative AUDPC of a table
waerden

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

Duncan's new multiple range test
cor.mv

Correlation between groups of variables
friedman.comp

The Friedman test
durbin.group

Durbin test and multiple comparison of treatments
scheffe.test

Multiple comparisons, scheffe
LSD

Multiple comparisons "Least significant difference" LSD
cor.matrix

Analysis of correlation. Methods of Pearson, Spearman and Kendall
friedman.group

Friedman Test and multiple comparison of treatments, group
grid3d

Interpolation of a information matrix
cor.vector

Correlation between two variables
SNK.test

Student-Newman-Keuls (SNK)
c.kurtosis

Computes the coefficient of Kurtosis