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agricolae (version 1.0-4)

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 Gestion 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, PBIB, Alpha design. Comparison of multi-location trials: AMMI (biplot and triplot), Stability. Comparison between treatments: LSD, Bonferroni, HSD, Waller, Kruskal, Friedman, Durbin, Van Der Waerden. Resampling and simulation: resampling.model, simulation.model, analysis Mother and baby trials, Ecology: Indices Biodiversity, path analysis, consensus cluster, Uniformity Soil: Index Smith's.

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Version

Install

install.packages('agricolae')

Monthly Downloads

34,553

Version

1.0-4

License

GPL

Maintainer

Felipe Mendiburu

Last Published

October 22nd, 2023

Functions in agricolae (1.0-4)

kendall

Correlation of Kendall
Glycoalkaloids

Data Glycoalkaloids
lattice.simple

Lattice design
design.graeco

Graeco - latin square design
clay

Data of Ralstonia population in clay soil
AMMI

AMMI Analysis
HSD.test

Multiple comparisons: Tukey
cv.model

Coefficient of the experiment variation
huasahuasi

Data of yield in Huasahuasi
design.rcbd

Randomized Complete Block Design
friedman

Friedman test and multiple comparison of treatments
design.alpha

Alpha design type (0,1)
durbin.test

Durbin test and multiple comparison of treatments
delete.na

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

Data and analysis Mother and baby trials
LSD.test

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

Plotting the standard error or standard deviance of a multiple comparison of means
normal.freq

Normal curve on the histogram
carolina3

Data Carolina III
waerden.test

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

Data of corn
PBIB.test

Analysis of the Partially Balanced Incomplete Block Design
lastC

Setting the last character of a chain
cv.similarity

Coefficient of the similarity matrix variation
design.crd

Completely Randomized Design
cotton

Data of cotton
ojiva.freq

Plotting the ojiva from a histogram
consensus

consensus of clusters
carolina1

Data Carolina I
bar.group

Plotting the multiple comparison of means
BIB.test

Finding the Variance Analysis of the Balanced Incomplete Block Design
audpc

Calculating the absolute or relative value of the AUDPC
carolina2

Data Carolina II
sinRepAmmi

Data for AMMI without repetition
agricolae-package

Statistical Procedures for Agricultural Research
melon

Data of yield of melon in a Latin square experiment
disease

Data evaluation of the disease overtime
resampling.model

Resampling for linear models
LxT

Data Line by tester
design.lsd

Latin Square Design
design.bib

Randomized Balanced Incomplete Block Designs. BIB
waller.test

Multiple comparisons, Waller-Duncan
carolina

North Carolina Designs I, II and III
fact.nk

Factorial design k-factors with n-levels in blocks
lineXtester

Line x Tester Analysis
CIC

Data for AMMI Analysis
kurtosis

Finding the Kurtosis coefficient
paracsho

Data of Paracsho biodiversity
correlation

Correlation analysis. Methods of Pearson, Spearman and Kendall
stat.freq

Descriptive measures of grouped data
pamCIP

Data Potato Wild
natives

Data of native potato
genxenv

Data of potato yield in a different environment
ralstonia

Data of population bacterial Wilt: AUDPC
resampling.cv

Resampling to find the optimal number of markers
soil

Data of soil analysis for 13 localities
reg.homog

Homologation of regressions
join.freq

Join class for histogram
index.bio

Biodiversity Indices
wxyz

Completing missing data of a matrix according to a model
vark

Variance K, ties, Kendall
kruskal

Kruskal Wallis test and multiple comparison of treatments.
path.analysis

Path Analysis
haynes

Data of yield for nonparametrical stability analysis
stability.nonpar

Nonparametric stability analysis
gxyz

The matrix zz of information is disturbed in three vectors x, y, z
hcut

Cut tree of consensus
plots

Data for an analysis in split-plot
AMMI.contour

AMMI contour
strip.plot

Strip-Plot analysis
decimals

Finding the largest decimal number from the elements of a vector or matrix
stability.par

Stability analysis. SHUKLA'S STABILITY VARIANCE AND KANG'S
intervals.freq

Class intervals
homog1

Data of frijol
potato

Data of cutting
grass

Data for Friedman test
order.stat

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

Data of sweetpotato yield
table.freq

Frequency Table of a Histogram
trees

Data of species trees. Pucallpa
tapply.stat

Statistics of data grouped by factors
nonadditivity

Nonadditivity model test
order.group

Ordering the treatments according to the multiple comparison
wilt

Data of Bacterial Wilt (AUDPC) and soil
random.ab

Randomizing a factorial in a block
grid3p

Interpolation for nonequidistant points in matrix
growth

Data growth of trees
sturges.freq

Class intervals for a histogram, the rule of Sturges
ltrv

Data clones from the LTVR population
design.ab

Design in blocks for factorial pxq
polygon.freq

The polygon of frequency on the histogram
mxyz

Mean on data frame in matrix
simulation.model

Simulation of the linear model under normality
graph.freq

Frequency table histogram
similarity

Matrix of similarity in binary data
rice

Data of Grain yield of rice variety IR8
skewness

Finding the skewness coefficient
waller

Computations of Bayesian t-values for multiple comparisons
index.smith

Uniformity soil. Smith's Index of Soil Heterogeneity
markers

Data of molecular markers
ComasOxapampa

Data AUDPC Comas - Oxapampa
correl

Correlation Coefficient
hgroups

groups of hclust