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agricolae (version 1.0-9)

Statistical Procedures for Agricultural Research

Description

Agricolae was presented on 28 August 2009 in the thesis "A statistical analysis tool for agricultural research" to obtain the degree of Master on science, mention Systems Engineering, of the facultad de ingenieria industrial y de sistemas - Universidad Nacional de Ingenieria, Lima-Peru (UNI), being approved with the qualification of 18.14 in a scale from 0 to 20. The thesis includes a satisfaction survey of the library, with an index quality of the software of 0.8 in scale of 0-1. These functions are currently used by the International Potato Center (CIP), the Universidad Nacional Agraria La Molina (UNALM-PERU), and the Instituto Nacional de Innovacion Agraria (INIA-PERU). It comprises the functionality of statistical analysis into experimental designs applied specially in field experiments in agriculture and plant breeding: Lattice, factorial, complete and incomplete block, Latin Square, Graeco, Alpha designs, Cyclic, augmented block, split and strip plot designs, comparison of multi-location trials, comparison between treatments, resampling, simulation, biodiversity indexes and consensus cluster.

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Version

Install

install.packages('agricolae')

Monthly Downloads

37,978

Version

1.0-9

License

GPL

Maintainer

Felipe Mendiburu

Last Published

February 24th, 2010

Functions in agricolae (1.0-9)

Glycoalkaloids

Data Glycoalkaloids
Chz2006

Data amendment Carhuaz 2006
Hco2006

Data amendment Huanuco 2006
BIB.test

Finding the Variance Analysis of the Balanced Incomplete Block Design
ComasOxapampa

Data AUDPC Comas - Oxapampa
bar.group

Plotting the multiple comparison of means
design.alpha

Alpha design type (0,1)
nonadditivity

Nonadditivity model test
frijol

Data of frijol
normal.freq

Normal curve on the histogram
bar.err

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

Kruskal Wallis test and multiple comparison of treatments.
lastC

Setting the last character of a chain
HSD.test

Multiple comparisons: Tukey
growth

Data growth of trees
DAU.test

Finding the Variance Analysis of the Augmented block Design
SNK.test

Student-Newman-Keuls (SNK)
waerden.test

Multiple comparisons. The van der Waerden (Normal Scores)
simulation.model

Simulation of the linear model under normality
consensus

consensus of clusters
delete.na

Omitting the rows or columns with missing observations of a matrix (NA)
strip.plot

Strip-Plot analysis
design.dau

Augmented block design
design.lattice

Lattice designs
CIC

Data for late blight of potatoes
carolina

North Carolina Designs I, II and III
design.ab

Design in blocks for factorial pxq
kurtosis

Finding the Kurtosis coefficient
corn

Data of corn
plrv

Data clones from the PLRV population
design.lsd

Latin Square Design
path.analysis

Path Analysis
agricolae-package

Statistical Procedures for Agricultural Research
PBIB.test

Analysis of the Partially Balanced Incomplete Block Design
design.graeco

Graeco - latin square design
disease

Data evaluation of the disease overtime
greenhouse

Data in greenhouse
similarity

Matrix of similarity in binary data
order.stat

Grouping the treatments averages in a comparison with a minimum value
sturges.freq

Class intervals for a histogram, the rule of Sturges
durbin.test

Durbin test and multiple comparison of treatments
design.crd

Completely Randomized Design
cv.similarity

Coefficient of the similarity matrix variation
hcut

Cut tree of consensus
lineXtester

Line x Tester Analysis
duncan.test

Duncan's new multiple range test
wxyz

Completing missing data of a matrix according to a model
hgroups

groups of hclust
markers

Data of molecular markers
yacon

Data Yacon
index.smith

Uniformity soil. Smith's Index of Soil Heterogeneity
montecarlo

Random generation by Montecarlo
stability.nonpar

Nonparametric stability analysis
heterosis

Data of potato, Heterosis
join.freq

Join class for histogram
genxenv

Data of potato yield in a different environment
kendall

Correlation of Kendall
ojiva.freq

Plotting the ojiva from a histogram
reg.homog

Homologation of regressions
index.bio

Biodiversity Index
table.freq

Frequency Table of a Histogram
natives

Data of native potato
plots

Data for an analysis in split-plot
soil

Data of soil analysis for 13 localities
graph.freq

Histogram
design.split

Split Plot Design
grid3p

Interpolation for nonequidistant points in matrix
vark

Variance K, ties, Kendall
summary.graph.freq

Frequency Table of a Histogram
potato

Data of cutting
huasahuasi

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

Stability analysis. SHUKLA'S STABILITY VARIANCE AND KANG'S
fact.nk

Factorial design k-factors with n-levels in blocks
cv.model

Coefficient of the experiment variation
paracsho

Data of Paracsho biodiversity
sinRepAmmi

Data for AMMI without repetition
wilt

Data of Bacterial Wilt (AUDPC) and soil
AMMI

AMMI Analysis
audpc

Calculating the absolute or relative value of the AUDPC
correlation

Correlation analysis. Methods of Pearson, Spearman and Kendall
design.bib

Randomized Balanced Incomplete Block Designs. BIB
stat.freq

Descriptive measures of grouped data
design.strip

Strip Plot Design
design.rcbd

Randomized Complete Block Design
grass

Data for Friedman test
rice

Data of Grain yield of rice variety IR8
sweetpotato

Data of sweetpotato yield
correl

Correlation Coefficient
design.cyclic

Cyclic designs
tapply.stat

Statistics of data grouped by factors
intervals.freq

Class intervals
melon

Data of yield of melon in a Latin square experiment
DC

Data for the analysis of carolina genetic design
RioChillon

Data and analysis Mother and baby trials
order.group

Ordering the treatments according to the multiple comparison
ralstonia

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

The polygon of frequency on the histogram
resampling.model

Resampling for linear models
waller

Computations of Bayesian t-values for multiple comparisons
skewness

Finding the skewness coefficient
LxT

Data Line by tester
resampling.cv

Resampling to find the optimal number of markers
LSD.test

Multiple comparisons, "Least significant difference" and Adjust P-values
waller.test

Multiple comparisons, Waller-Duncan
clay

Data of Ralstonia population in clay soil
AMMI.contour

AMMI contour
friedman

Friedman test and multiple comparison of treatments
haynes

Data of yield for nonparametrical stability analysis
cotton

Data of cotton
pamCIP

Data Potato Wild
plot.graph.freq

Histogram
random.ab

Randomizing a factorial in a block
scheffe.test

Multiple comparisons, scheffe