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CovTools (version 0.5.0)

Statistical Tools for Covariance Analysis

Description

Covariance is of universal prevalence across various disciplines within statistics. We provide a rich collection of geometric and inferential tools for convenient analysis of covariance structures, topics including distance measures, mean covariance estimator, covariance hypothesis test for one-sample and two-sample cases, and covariance estimation. For an introduction to covariance in multivariate statistical analysis, see Schervish (1987) .

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Version

Install

install.packages('CovTools')

Monthly Downloads

503

Version

0.5.0

License

GPL (>= 3)

Maintainer

Kisung You

Last Published

September 14th, 2018

Functions in CovTools (0.5.0)

CovEst.hardPD

Covariance Estimation via Hard Thresholding under Positive-Definiteness Constraint
CovDist

Compute Pairwise Distance for Symmetric Positive-Definite Matrices
CovEst.nearPD

Covariance Estimation via Nearest Positive-Definite Matrix Projection
PreEst.banded3

Banded Precision Matrix Estimation via Bandwidth Test
PreEst.banded2

Bayesian Estimation of a Banded Precision Matrix (Lee 2017)
CovTest1

One-Sample Tests for Covariance Matrices
PreEst.glasso

Precision Matrix Estimation via Graphical Lasso
CovTest2

Two-Sample Tests for Covariance Matrices
package-CovTools

A Collection of Geometric and Statistical Tools for Covariance Analysis
samplecovs

Generate Sample Covariances of 2 groups
CovEst.hard

Covariance Estimation via Hard Thresholding
CovEst.adaptive

Covariance Estimation via Adaptive Thresholding
CovEst.soft

Covariance Estimation via Soft Thresholding
CovMean

Estimate Mean Covariance Matrix
BayesTest1

Bayesian One-Sample Tests for Covariance Matrix
DiagTest1

One-Sample Diagonality Tests for Covariance Matrix
PreEst.banded1

Bayesian Estimation of a Banded Precision Matrix (Banerjee 2014)